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Vacuum pans - Glass negative photogrpah. Public domain.

Vacuum pans - Glass negative photogrpah. Public domain.

Public domain photograph of industrial building, factory, free to use, no copyright restrictions image - Picryl description

Women in industry. Gas mask production. The grim realities of war are brought home to this twenty-one-year-old worker in a Midwest vacuum cleaner plant which now makes gas masks. It's her job to wire and tape the outlet valves of the masks, which are delivered to her by a moving conveyor belt. Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. The grim realities of war are ...

Picryl description: Public domain image of a woman working, women labor, 1940s, economic conditions, home front, world war two, free to use, no copyright restrictions.

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers I

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers I

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Electric Institute of Washington. Woman working on vacuum cleaner

Electric Institute of Washington. Woman working on vacuum cleaner

Public domain photograph of 1920s American woman, free to use, no copyright restrictions image - Picryl description

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment V

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment V

Public domain photograph of midcentury American advertising, free to use, no copyright restrictions image - Picryl description

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment VII

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment VII

Picryl description: Public domain image of a woman, nurse, caring, hospital, free to use, no copyright restrictions.

A black and white photo of a man working on a machine, West Virginia. Farm Security Administration photograph.

A black and white photo of a man working on a machine, West Virginia. ...

Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description

Conservation of durable goods. There won't be any more of these for many months, so see that yours stays in good condition. Keep the brush clean, see that the vacuum is not forced to inhale pins, bits of wire, metal. The brush in place is free of hair, strings, etc.

Conservation of durable goods. There won't be any more of these for ma...

Workers in the vacuum cleaner factory at Reedsville, West Virginia. Many of the employees are Arthurdale homesteaders

Workers in the vacuum cleaner factory at Reedsville, West Virginia. Ma...

Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description

Employees in the vacuum cleaner factory. Arthurdale project, Reedsville, West Virginia

Employees in the vacuum cleaner factory. Arthurdale project, Reedsvill...

Picryl description: Public domain image of industrial or agricultural worker, 1930s, 20th-century, free to use, no copyright restrictions. show less

Vacuum milking of cows at dairy in Tom Green County, Texas

Vacuum milking of cows at dairy in Tom Green County, Texas

Picryl description: Public domain image of a rural farming landscape, agriculture, farm animals, livestock, farmers, free to use, no copyright restrictions image.

Vacuum shaping machine. Flat carcasses taken from the storage racks are placed in this vacuum machine in which two things happen. First a combination vacuum suction and squeezing action pulls the tire into the shape it will always have in use. Second, an airbag is forced into the inside to provide inside strength for the curing step. Firestone (General) Tires, Akron, Ohio

Vacuum shaping machine. Flat carcasses taken from the storage racks ar...

Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description

The motors of many refrigerators require periodic cleaning. If your model is one of these, keep coils free from hampering dust and grime by weekly sessions with a wire brush or a vacuum attachment

The motors of many refrigerators require periodic cleaning. If your mo...

Burson & Marstellar at Fishman's, New Preston, Connecticut. Vacuum to clean gutter

Burson & Marstellar at Fishman's, New Preston, Connecticut. Vacuum to ...

Public domain photograph of midcentury American agriculture, free to use, no copyright restrictions image - Picryl description

[Vacuum cleaners on display at the J.C. Harding & Co. store, probably in Washington, D.C.]

[Vacuum cleaners on display at the J.C. Harding & Co. store, probably ...

National Photo Company Collection. Public domain photograph of historic place in Washington DC, free to use, no copyright restrictions image - Picryl description

The Radio Robot. Ralph Stair of the Bureau of Standards has invented the Radio Robot, an electrical and mechanical trouble-shooter for radio receiving data. It is almost a human detective in finding radio troubles, testinng and "pepping up" vacuum tubes, testing radio parts and complete receiving sets, both alternating-current and direct-current and is a portable power pack

The Radio Robot. Ralph Stair of the Bureau of Standards has invented t...

Public domain photograph of stairs, steps, free to use, no copyright restrictions image - Picryl description

Vacuum cleaner factory. Arthurdale project. Reedsville, West Virginia

Vacuum cleaner factory. Arthurdale project. Reedsville, West Virginia

Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description

Vacuum cleaner factory, Arthurdale, West Virginia

Vacuum cleaner factory, Arthurdale, West Virginia

Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description

A black and white photo of tea kettles on a table, West Virginia. Farm Security Administration photograph.

A black and white photo of tea kettles on a table, West Virginia. Farm...

Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description

Pill-Box Fort finished in four hours. Washington, D.C., Aug. 25. Something new in speedy-built forts was built on the grounds of the Bureau of Standards today in four hours. Karl P. Billner, Swedish Inventor, supervised the building of the pill box which was done by his new invention as the vacuum concrete invention. Mr. Billner, is looking over the finished product, 8/25/38

Pill-Box Fort finished in four hours. Washington, D.C., Aug. 25. Somet...

Public domain photograph of Washington DC, 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Salinas, California. Intercontinental Rubber Producers. Gathering guayule seed by means of a vacuum

Salinas, California. Intercontinental Rubber Producers. Gathering guay...

Picryl description: Public domain image of a tractor, farming equipment, agriculture, 20th century, free to use, no copyright restrictions.

Synthetic rubber (Ameripol). After the milling process, where crumbs of synthetic rubber are pressed into sheets, then trimmed to size and cooled, the sheets are placed in these charging and discharging vacuum dryers. Goodrich

Synthetic rubber (Ameripol). After the milling process, where crumbs o...

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

[Tubes containing mercury with vacuum at top showing development of first barometer capable of measuring atmospheric pressure, includes page of text]

[Tubes containing mercury with vacuum at top showing development of fi...

Illus. in: Lezioni accademiche d'Evangelista Torricelli, mattematico e filosofo del Sereniso. Firenze : Nella stamp. di S.A.R. per J. Guiducci, e S. Franchi, 1715. Published in: The tradition of technology : L... More

[Exterior view of building with apparatus attached for experiment intended to create a vacuum by draining water from a globe attached to the top of the apparatus]

[Exterior view of building with apparatus attached for experiment inte...

Illus. in: P. Gasparis Schotti ... Technica curiosa, sive Mirabilia artis, libris XII comprehensa .... Norimbergæ : Sumptibus J. A. Endteri, & Wolfgangi junioris hæredum, excudebat J. Hertz, typographus herbip... More

Cow being milked by vacuum milker. Dairy, Tom Green County, Texas

Cow being milked by vacuum milker. Dairy, Tom Green County, Texas

Picryl description: Public domain image of cow, cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions.

A vacuum mechanism for inserting discs is an important unit in the machine setup of a converted cash register factory now producing 20mm fuses in enormous quantities

A vacuum mechanism for inserting discs is an important unit in the mac...

Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers III

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers III

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Burson & Marstellar at Fishman's, New Preston, Connecticut. Drill with vacuum cleaner

Burson & Marstellar at Fishman's, New Preston, Connecticut. Drill with...

Public domain photograph of midcentury American office, workers, free to use, no copyright restrictions image - Picryl description

The new 'flying tube' airship. Washington, D.C., Mar. 14. Immediate commercial development of a new lighter-than-air airship of novel design, which its engineering sponsors believe will revolutionize air transportation, bringing safety, speed, load capacity, and easy maneuverability to airship performance, was announced today. Air sucked through the tube will create a vacuum in front and give a propulsive kick at the outlet. Universal joints will be located at the entrance and exit of the tube, moving in any direction of the air intake and outlet, thus steering the flying tube. The ship will be entirely metal clad and the lifting power will be helium gas in aluminum partitions. Garret W. Peck, designer and vice pres. in charge of construction, left; and Clifford C. Jones, specialist with the Inter-Ocean Dirigible Corp., right, with the working model of the ship

The new 'flying tube' airship. Washington, D.C., Mar. 14. Immediate co...

Public domain photograph of Washington DC, 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Reedsville, West Virginia. The Arthurdale subsistence homestead project of the U.S. Resettlement Administration. Vacuum cleaner factory shipping platform

Reedsville, West Virginia. The Arthurdale subsistence homestead projec...

Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Vacuum sealing blood plasma containers

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. V...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

Burson & Marstellar at Fishman's, New Preston, Connecticut. Radial saw with vacuum

Burson & Marstellar at Fishman's, New Preston, Connecticut. Radial saw...

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Vacuum cleaner factory, Arthurdale, West Virginia

Vacuum cleaner factory, Arthurdale, West Virginia

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

[The miner's friend, a pump using steam to create a vacuum to draw water from flooded mines; known as "Mr. Savery's engine for raising water by the help of fire"]

[The miner's friend, a pump using steam to create a vacuum to draw wat...

Illus. in: Philosophical transactions, giving some account of the present undertakings, studies, and labours of the ingenious, in many considerable parts of the world. London : C. Davis, Printer to the Royal S... More

Studying why fruits taste that way. E.K. Nelson of the Department of Agriculture is shown making tests with an apparatus which the Department imported from Germany for the purpose of studying the essential oils or "flavor-giving" content of fruits and vegetables. At present chemists are acquainted with the essential oils of only a few fruits, such as some of the citrus group. The apparatus is a vacuum distill which permits the distillation of liquids at temperatures much lower than usual by reducing the pressure, 1/10/31

Studying why fruits taste that way. E.K. Nelson of the Department of A...

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment IV

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment IV

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Vacuum cleaner factory. Arthurdale project. Reedsville, West Virginia

Vacuum cleaner factory. Arthurdale project. Reedsville, West Virginia

Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.

A man working on a machine in a factory, West Virginia. Farm Security Administration photograph.

A man working on a machine in a factory, West Virginia. Farm Security ...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

A black and white photo of a large wheel. Great Depression Era, New Mexico

A black and white photo of a large wheel. Great Depression Era, New Me...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

A black and white photo of a large wheel. Great Depression Era, New Mexico

A black and white photo of a large wheel. Great Depression Era, New Me...

Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers II

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers II

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Brent Daniel, formerly of the Radio Laboratory of the Bureau of Standards at Washington, with the first portable Super-Heterodyne, his own design. The seven vacuum tubes, batteries, loop antenna, loud speaker, and other necessary units are completely self-contained in the carrying case. He has been able to hear Pacific Coast stations from this outfit

Brent Daniel, formerly of the Radio Laboratory of the Bureau of Standa...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

F.W. Reynolds at Vacuum Sugar Machine

F.W. Reynolds at Vacuum Sugar Machine

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Potomac Electric Power Co. electric appliances. Vacuum cleaner

Potomac Electric Power Co. electric appliances. Vacuum cleaner

Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment IX

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment IX

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Potomac Electric Power Co. electric appliances. Eureka vacuum cleaner

Potomac Electric Power Co. electric appliances. Eureka vacuum cleaner

Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More

A black and white photo of a man working in a factory, West Virginia. Farm Security Administration photograph.

A black and white photo of a man working in a factory, West Virginia. ...

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Vacuum cleaner factory, Arthurdale, West Virginia

Vacuum cleaner factory, Arthurdale, West Virginia

Picryl description: Public domain photograph of an office worker, 1930s, free to use, no copyright restrictions.

Workers in the vacuum cleaner factory at Reedsville, West Virginia

Workers in the vacuum cleaner factory at Reedsville, West Virginia

Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description

Salinas, California. Intercontinental Rubber Producers. Gathering guayule seed with a vacuum machine

Salinas, California. Intercontinental Rubber Producers. Gathering guay...

Public domain photograph of rural California, dust bowl refugees, 1930s-1940s, no copyright restrictions image - Picryl description

Women in industry. Gas mask production. Don't let their youth and good looks deceive you, these two young workers are actually full-fledged government inspectors who are employed in a converted Midwest vacuum cleaner plant to test gas masks. Every one of the hundreds of rubber masks that move along the assembly belt each day must be thoroughly tested by young women inspectors who put the masks through many different tests. Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. Don't let their youth and good...

Picryl description: Public domain image of a woman working, women labor, 1940s, economic conditions, home front, world war two, free to use, no copyright restrictions.

Women in industry. Gas mask production. Flower in hair, Betty Gumbetter adds glamour to the assembly line of a Midwest gas mask factory which formerly made vacuum cleaners. Operating a riveting press, which attaches cloth tabs to the face pieces of gas masks, this young worker is one of the many company employees who switched over from work on vacuums when the plant was converted. Betty likes her new job better than the old one. "It bears a lot more relationship to my American Women's Voluntary Services work," she says. Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. Flower in hair, Betty Gumbette...

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Women in industry. Gas mask production. She used to wrap bread in a bakery, before Pearl Harbor, but today twenty-one-year-old Eugenia Bireta is a qualified government inspector who tests gas masks for "eye leakage" on this pressure gauge. She's one of many young women employed by a large Midwest vacuum cleaner company now converted to production of gas masks. Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. She used to wrap bread in a ba...

Picryl description: Public domain image of a woman working, women labor, 1940s, economic conditions, home front, world war two, free to use, no copyright restrictions.

Dr. D.C. Bardwell, of the Research Lab. of the U.S. Bureau of Mines, collecting gaseous radium emanation. The radium is in the little safe at the right. Collections are made at intervals of from 4 to 10 days. The gas is drawn off under vacuum and purified by a liquid air refrigeration. The purified gas, very small in volume but powerful in its action is used in the study of gas reactions. The work is under the direct supervision of Dr. S.C. Lind, chief chemist of ther Bureau of Mines

Dr. D.C. Bardwell, of the Research Lab. of the U.S. Bureau of Mines, c...

Public domain photograph of laboratory, free to use, no copyright restrictions image - Picryl description

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment I

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment I

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Electric Institute of Washington, Potomac Electric Power Co. Vacuum cleaners display with people

Electric Institute of Washington, Potomac Electric Power Co. Vacuum cl...

Public domain photograph of commerce and advertising, 1920s-1930s America, free to use, no copyright restrictions image - Picryl description

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment VI

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment VI

Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.

Vacuum cleaner factory. Arthurdale project, Reedsville, West Virginia

Vacuum cleaner factory. Arthurdale project, Reedsville, West Virginia

Picryl description: Public domain photograph of an office worker, 1930s, free to use, no copyright restrictions.

Vacuum cleaner factory, Arthurdale, West Virginia

Vacuum cleaner factory, Arthurdale, West Virginia

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment II

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment II

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Vacuum cleaner factory, Arthurdale, West Virginia

Vacuum cleaner factory, Arthurdale, West Virginia

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

A black and white photo of men working in a factory. War Production FSA/OWI Photograph

A black and white photo of men working in a factory. War Production FS...

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Milk man with vacuum milking equipment at large dairy. Tom Green County, Texas

Milk man with vacuum milking equipment at large dairy. Tom Green Count...

Picryl description: Public domain image of food, dinner, grocery store, eating, 1930s, mid-20th-century United States, free to use, no copyright restrictions.

Fort Kent, Maine. Jake Escovitz, contractor and speculator in potatoes, secondhand cars, new cars, bicycles, radios vacuum sweepers and "hot" and classical recorded music

Fort Kent, Maine. Jake Escovitz, contractor and speculator in potatoes...

Public domain photograph of the United States in the 1930s, portraits, people, events, free to use, no copyright restrictions image - Picryl description

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers IV

Rahr Malting Co., Manitowoc, Wisconsin. First floor, vacuum dryers IV

Public domain photograph - American industrial history, 1930s-1940s, free to use, no copyright restrictions image - Picryl description

Electric Institute of Washington. Woman emptying vacuum bag

Electric Institute of Washington. Woman emptying vacuum bag

Public domain photograph of a woman, female portrait, free to use, no copyright restrictions image - Picryl description

Vacuum cleaner. Book illustration from Library of Congress

Vacuum cleaner. Book illustration from Library of Congress

Gift; Mrs. Peter Grant; 1940; (DLC/PP-1940:008). Forms part of: Cabinet of American illustration (Library of Congress). Published in: The Deb's Dictionary / Oliver Herford. Philadelphia : J.B. Lippincott Co., 1931.

A black and white photo of two women working in a factory, West Virginia. Farm Security Administration photograph.

A black and white photo of two women working in a factory, West Virgin...

Picryl description: Public domain photograph of an office worker, 1930s, free to use, no copyright restrictions.

Pill-Box Fort built in four hours. Washington, D.C., Aug. 25. Something new in speedy-built forts was built on the grounds of the Bureau of Standards today in four hours. Karl P. Billner, Swedish Inventor, supervised the building of the pill box which was done by his new invention as the vacuum concrete invention. Today's demonstration was to show a new and more efficient method of construction for defense purposes under emergencies, 8/25/38

Pill-Box Fort built in four hours. Washington, D.C., Aug. 25. Somethin...

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Rotary vacuum filter used for removing cyanide solution containing gold from the tailings. Gold mine at Mogollon, New Mexico

Rotary vacuum filter used for removing cyanide solution containing gol...

Public domain photograph - New Mexico, United States, free to use, no copyright restrictions image - Picryl description

Leaving this tire builder's hands, this finished carcass is rolled away to the vacuum expanding machines, or to storage until these machine operators are ready for it. Since the rubber throughout the carcass is not yet cured, the tire is still somewhat soft and squashy. Firestone (General Tires), Akron, Ohio

Leaving this tire builder's hands, this finished carcass is rolled awa...

Public domain photograph of sport activity, 1930s, free to use, no copyright restrictions image - Picryl description

Women in industry. Gas mask production. Formerly a beauty shop operator, blonde Marjorie Karwaske finds that the dear dead days of bobby pins and curler clamps have left her with skillful, speedy fingers and a natural tendency to eliminate wasteful hand movement. These are invaluable aids to her job at a Midwest vacuum cleaner plant which has been converted to the production of gas masks. Those skillful fingers fasten eye pieces to the bodies of gas masks. Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. Formerly a beauty shop operato...

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Wisdom, Montana. Mrs. Len Smith, using vacuum cleaner in her home

Wisdom, Montana. Mrs. Len Smith, using vacuum cleaner in her home

Public domain photograph of 1930s working-class Americans, free to use, no copyright restrictions image - Picryl description

Women in industry. Gas mask production. Formerly employed in a vacuum cleaner plant, these young women are now making gas masks for America's soldiers and civilians. Margaret Reed, left, who used to work in the vacuum brush department, now operates a precrimping machine which attaches eye rings to the mask proper. Note the "V" chalked on her machine. Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. Formerly employed in a vacuum ...

Picryl description: Public domain image of a woman working, women labor, 1940s, economic conditions, home front, world war two, free to use, no copyright restrictions.

Production. B-25 "Billy Mitchell" bombers. Two employees of North American's Inglewood, California, plant hold armfuls of rubber which is placed around gasoline tanks in the wings of B-25 bombers. The material prevents vacuum formations. In addition to the battle-tested B-25 "Billy Mitchell" bomber, used in General Doolittle's raid on Tokyo, this plant produces the P-51 "Mustang" fighter plane which was first brought into prominence by the British raid on Dieppe

Production. B-25 "Billy Mitchell" bombers. Two employees of North Amer...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Women in industry. Gas mask production. Lacing head harnesses of gas masks after they have passed through all the stages of assembly and made ready for packaging, is the job of this young woman who works in a large Midwest vacuum cleaner factory which has been converted to war production. Note the lei of string she's wearing--the better to lace the masks with! Eureka Vacuum, Detroit, Michigan

Women in industry. Gas mask production. Lacing head harnesses of gas m...

Picryl description: Public domain image of a woman working, women labor, 1940s, economic conditions, home front, world war two, free to use, no copyright restrictions.

Shown here are the four simple steps in the use of the new lid and metal band closure which will replace the more familiar zinc mason cap--conserving zinc so vitally needed for direct war materials. The Containers Division of the War Production Board (WPB) is encouraging manufacturers to make many millions of these closures available for this year's canning. Jar at the left, having been sterilized, is ready to be filled. Second jar shows the position of the lid immediately after filling, the rubber gasket is placed in between the lid and the mouth of the jar. Third jar: the metal band is screwed on tightly and then slightly loosened and processing begins. After processing is completed, band is tightened again. Jar at the right shows how the band can be removed when the food has thoroughly cooled and the vacuum will hold the lid tightly in place. A truly all-glass package. To open, insert a knife to break vacuum, and lid lifts off easily

Shown here are the four simple steps in the use of the new lid and met...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

Goldmsmith Maid. Pub. by Vacuum Oil Co. Rochester, N.Y.

Goldmsmith Maid. Pub. by Vacuum Oil Co. Rochester, N.Y.

This record contains unverified data from PGA shelflist card. Associated name on shelflist card: Donaldson. Horse, harness race

F.W. Reynolds at Vacuum Sugar Machine

F.W. Reynolds at Vacuum Sugar Machine

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Quaker State Refining Company, Oil City, Pennsylvania. These are the solution and vacuum towers of the Quaker State refinery at Oil City, Pennsylvania. This refinery is working at full capacity to assure our military forces of ample supplies of the high-grade lubricants needed to operate ships, guns, tanks, and planes

Quaker State Refining Company, Oil City, Pennsylvania. These are the s...

Public domain photograph of the 1930s-1940s World War Two, armed forces, military production, no copyright restrictions image - Picryl description

These are the solution and vacuum towers of the Quaker State Refinery, at Oil City, Pennsylvania. This refinery is working at full capacity to assure our military forces of ample supplies for the high-grade lubricants needed to operate ships, guns, tanks, and planes

These are the solution and vacuum towers of the Quaker State Refinery,...

Public domain photograph of the 1930s-1940s World War Two, armed forces, military production, no copyright restrictions image - Picryl description

Portrait of a mistreated vacuum cleaner. It's in the repair shop because it inhaled bits of metal, pieces of wire, hairpins,and other harmful objects. Keep the machine away from such things, clean the brushes and belt regularly, and empty the bag at least once a week

Portrait of a mistreated vacuum cleaner. It's in the repair shop becau...

Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.

Synthetic rubber (Ameripol). After the milling process, where crumbs of synthetic rubber are pressed into sheets, then trimmed to size and cooled, the sheets are placed in the charging and discharging vacuum dryers. As each is removed, another replaces it. Goodrich

Synthetic rubber (Ameripol). After the milling process, where crumbs o...

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

A refinery vacuum pan and pump - Glass negative photogrpah. Public domain.

A refinery vacuum pan and pump - Glass negative photogrpah. Public dom...

Public domain photograph of industrial building, factory, free to use, no copyright restrictions image - Picryl description

A man working on a machine in a factory, West Virginia. Farm Security Administration photograph.

A man working on a machine in a factory, West Virginia. Farm Security ...

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Vacuum shaping machine. Flat carcasses taken from the storage racks are placed in this vacuum machine in which two things happen. First a combination vacuum suction and squeezing action pulls the tire into the shape it will always have in use. Second, an airbag is forced into the inside to provide inside strength for the curing step. Firestone (General) Tires, Akron, Ohio

Vacuum shaping machine. Flat carcasses taken from the storage racks ar...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Salinas, California. Intercontinental Rubber Producers. Gathering guayule seed by means of a vacuum

Salinas, California. Intercontinental Rubber Producers. Gathering guay...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Rahr Malting Co., Manitowoc, Wisconsin. Third floor, vacuum dryers II

Rahr Malting Co., Manitowoc, Wisconsin. Third floor, vacuum dryers II

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Rahr Malting Co., Manitowoc, Wisconsin. Third floor, vacuum dryers III

Rahr Malting Co., Manitowoc, Wisconsin. Third floor, vacuum dryers III

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Electric Institute of Washington. Window display of vacuum cleaners I

Electric Institute of Washington. Window display of vacuum cleaners I

Picryl description: Public domain image of a church, crypt, chamber, underground vault architecture, free to use, no copyright restrictions.

Lufkin, Texas. Southland paper mill. Vacuum decker which draws water off the ground wood to thicken the stock before the chemical stock is added

Lufkin, Texas. Southland paper mill. Vacuum decker which draws water o...

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Putting tire into curing mold. From the vacuum expander, the potential new truck tire is taken to this "watch-case" curing mold in which it is baked under high heat and pressure for a long time. The exact time and temperature varies with the type and size of tire. The airbag inside the carcass is filled with live steam during this process so that heat is added from both inside and out. The mold contains the tread pattern, or design, as well as all markings which will appear on sidewall. Under this heat and pressure the rubber turns semi-liquid, and flows into every crevice, completely bonding the rubber processed fabric carcass to the cushion, the cushion to the tread. After this operation it is now one unit--a complete tire. Firestone (General) Tires, Akron, Ohio

Putting tire into curing mold. From the vacuum expander, the potential...

Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description

Burson & Marstellar at Fishman's, New Preston, Connecticut. Vacuum cleaner, pick up leaves

Burson & Marstellar at Fishman's, New Preston, Connecticut. Vacuum cle...

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Potomac Electric Power Co. electric appliances. Eureka, electric vacuum cleaner

Potomac Electric Power Co. electric appliances. Eureka, electric vacuu...

Picryl description: Public domain image of a sports competition, gymnast, athlete, 20th century, free to use, no copyright restrictions.

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment III

Dr. Waksmundzka, 1200 16th St., Apt. 414. Vacuum cup treatment III

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

A black and white photo of a bunch of pots and pans, West Virginia. Farm Security Administration photograph.

A black and white photo of a bunch of pots and pans, West Virginia. Fa...

Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description

Cows in milking shed waiting for vacuum milker to be attached. Large dairy in Tom Green County, Texas

Cows in milking shed waiting for vacuum milker to be attached. Large d...

Public domain image of cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions - Picryl description

A black and white photo of a machine in a factory. Great Depression Era, New Mexico

A black and white photo of a machine in a factory. Great Depression Er...

Public domain photograph of Mexico, free to use, no copyright restrictions image - Picryl description

Burson & Marstellar at Fishman's, New Preston, Connecticut. Vacuum cleaning floor

Burson & Marstellar at Fishman's, New Preston, Connecticut. Vacuum cle...

Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description

Burson & Marstellar at Fishman's, New Preston, Connecticut. Rip saw with vacuum cleaner

Burson & Marstellar at Fishman's, New Preston, Connecticut. Rip saw wi...

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

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