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Diagonal tie rods between main ribs, dome of [U.S.] Capitol

Diagonal tie rods between main ribs, dome of [U.S.] Capitol

Drawing. This record contains unverified data from caption card. The original U.S. Capitol building, known as the "Old Capitol," was a small brick building that was completed in 1800. It served as the Capitol ... More

Brass Works, Bridgeport, Conn.: Foundry room, showing rods and bars just cast

Brass Works, Bridgeport, Conn.: Foundry room, showing rods and bars ju...

Stereo copyrighted by H.C. White Co. No. 12976. No copyright renewal. This record contains unverified data from caption card. Caption card tracings: Geogr.; Ind.

Young boy carrying armful of steel rods, "spragging irons" along the elevated track at the Bessie Mine. Location: Bessie Mine, Alabama.

Young boy carrying armful of steel rods, "spragging irons" along the e...

Public domain photograph - historical image of Alabama, United States, free to use, no copyright restrictions image - Picryl description

60,000 school children from Cleveland invite Hoover to Air Rods [White House, Washington, D.C.]

60,000 school children from Cleveland invite Hoover to Air Rods [White...

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

Sheffield, Alabama. Reynolds Alloys Company. Ingots such as these are turned into long rods at the structural mill

Sheffield, Alabama. Reynolds Alloys Company. Ingots such as these are ...

Picryl description: Public domain photograph of lumber, lumberjack workers, 1930s, Great Depression, economic conditions, free to use, no copyright restrictions.

Washington Monument. Aluminum cap of Washington Monument with lightning rods IV

Washington Monument. Aluminum cap of Washington Monument with lightnin...

The Washington Monument is an iconic obelisk located in Washington D.C., United States. It is located on the National Mall and is dedicated to George Washington, the first President of the United States. It was... More

Erasty Emvich bringing fruit from the cellar he dug himself. Emvich, a tenant farmer, has also repaired the farmhouse, put in windows and doors, built a barn, and put in one hundred rods of fence at his own expense during the three years he has rented the farm. His landlord has advised him that he must move this year. Near Battle Ground, Indiana

Erasty Emvich bringing fruit from the cellar he dug himself. Emvich, a...

Public domain photograph - historical image of Indiana, United States, free to use, no copyright restrictions image - Picryl description

Oklahoma City, Oklahoma. Cable operated from the back off a truck for pulling rods and tubing in cleaning out oil wells

Oklahoma City, Oklahoma. Cable operated from the back off a truck for ...

Public domain photograph of United States agriculture in the 1930s, country, farmer, farm, great depression, migration, dust bowl refugees, free to use, no copyright restrictions image - Picryl description

Conversion. Copper and brass processing. Casting a billet from an electric furnace. Modern electric furnaces have helped considerably in speeding the production of brass and other copper alloys for national defense. Here the molten metal is poured or cast from the tilted furnace into a cylindrical mold to form a billet. The billet later is worked into rods, tubes, wires or special shapes for a variety of defense uses. Chase Brass and Copper Company, Euclid, Ohio

Conversion. Copper and brass processing. Casting a billet from an elec...

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

Washington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Bridge pier under construction showing the forms and steel reinforcing rods

Washington, D.C. Construction of a bridge and road near Independence A...

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

60,000 school children from Cleveland invite Hoover to Air Rods [White House, Washington, D.C.]

60,000 school children from Cleveland invite Hoover to Air Rods [White...

A group of men standing in front of a white house. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Oklahoma City, Oklahoma. Cable operated from the back of a truck for pulling rods and tubing in cleaning out oil wells

Oklahoma City, Oklahoma. Cable operated from the back of a truck for p...

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.

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Group of connecting rods going into the crankshaft

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard moto...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

[Classroom scenes in Washington, D.C. public schools - outdoor exercise with rods - 3rd Division]

[Classroom scenes in Washington, D.C. public schools - outdoor exercis...

Title and other information transcribed from caption card. Frances Benjamin Johnston Collection (Library of Congress). In album: "3rd Division."

Washington Monument. Cap stone of Washington Monument without lightning rods

Washington Monument. Cap stone of Washington Monument without lightnin...

The Washington Monument is an iconic obelisk located in Washington D.C., United States. It is located on the National Mall and is dedicated to George Washington, the first President of the United States. It was... More

Washington Monument. Aluminum cap of Washington Monument with lightning rods I

Washington Monument. Aluminum cap of Washington Monument with lightnin...

The Washington Monument is an iconic obelisk located in Washington D.C., United States. It is located on the National Mall and is dedicated to George Washington, the first President of the United States. It was... More

Great Falls, Montana. Anaconda Wire and Cable Company. Copper rods

Great Falls, Montana. Anaconda Wire and Cable Company. Copper rods

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

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing mill where copper wire bars are reduced to copper rods by running them through a series of rolls. From this mill the rods are coiled and are then treated with a dilute solution of sulphuric acid and washed with water after which they are ready to be drawn into wire

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing m...

Public domain photograph of train depot, railroad, free to use, no copyright restrictions image - Picryl description

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing mill where copper wire bars are reduced to copper rods by running them through a series of rolls. From this mill the rods are coiled and are then treated with a dilute solution of sulphuric acid and washed with water after which they are ready to be drawn into wire

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing m...

Picryl description: Public domain image of railway tracks, train station, railroad building, free to use, no copyright restrictions.

Home of Bill Reynolds and family, Minnehaha Springs, West Virginia. His wife teaches her two children at home (and the county pays her a little) because no colored school within reach. The white school is only a few rods away. The Club work with colored children is done by a colored agent. Location: Minnehaha Springs, West Virginia / Photo by Lewis W. Hine.

Home of Bill Reynolds and family, Minnehaha Springs, West Virginia. Hi...

Picryl description: Public domain photograph of child, child labor, farmer, early 20th-century farm, free to use, no copyright restrictions.

Production. Milling machines and machine castings. A large tracer-controlled multiple spindle vertical hydraulic milling machine being tried out on the runoff line of a large machine tool plant, for its eventual job of helping to make master connecting rods for radial aircraft engines. Four of the partially completed rods are mounted on the fixtures in the foreground. When in operation, the machine will have fixtures for eight such rods, so that while the completely automatic tracing finger guides the four cutters (extreme background) around one set of four rods, the operator can be unloading and reloading the other four fixtures with new parts to be milled. This machine will probably be the fourth or fifth of a series of perhaps a dozen different sizes and types of machine tools which will each have to perform their operations before these parts become finished connecting rods

Production. Milling machines and machine castings. A large tracer-cont...

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

Conversion. Copper and brass processing. Casting a billet from an electric furnace. Modern electric furnaces have helped considerably in speeding the production of brass and other copper alloys for national defense. Here the molten metal is poured or cast from the tilted furnace into a cylindrical mold to form a billet. The billet later is worked into rods, tubes, wires or special shapes for a variety of defense uses. Chase Brass and Copper Company, Euclid, Ohio

Conversion. Copper and brass processing. Casting a billet from an elec...

Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.

Production. Airplane manufacture, general. A woman inspector at North American's Inglewood, California, plant uses a micro-meter in testing control rods to be used in bomber and fighter planes. This plant produces the battle-tested B-25 ("Billy Mitchell") bomber, used in General Doolittle's raid on Tokyo, and the P-51 ("Mustang") fighter plane, which was first brought into prominence by the British raid on Dieppe

Production. Airplane manufacture, general. A woman inspector at North ...

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

City of Concord, N.H. - From the high bluff about 80 rods north east of the Free Bridge / by Henry P. Moore, Concord ; J.H. Buffords Lith., Boston.

City of Concord, N.H. - From the high bluff about 80 rods north east o...

Picryl description: Public domain photograph of a historic city, cityscape, street view, buildings, 19th-century architecture, free to use, no copyright restrictions.

Production. Pratt and Whitney airplane engines. Finished master piston rods of the one-piece type, awaiting assembly in Pratt and Whitney airplane engines that will soon be producing the mighty bursts of power that serve our fighting airmen so well in battle. Pratt and Whitney Aircraft

Production. Pratt and Whitney airplane engines. Finished master piston...

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

Tennessee Valley Authority. Railroad crews at Watts Bar Dam. The engineer, or "hog head" of a freight locomotive hauling materials for the building of TVA's Watts Bar Dam, oils the guides of the main driving rods of his engine. Long mechanical experience, practical railroad training and common sense are required for the job of running one of the big "hogs"

Tennessee Valley Authority. Railroad crews at Watts Bar Dam. The engin...

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

Cowling and control rods are added to motors for North American B-25 bombers as they move down the assembly line, N[orth] A[merican] Aviation, Inc., Inglewood, Calif.

Cowling and control rods are added to motors for North American B-25 b...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Texture background for motion picture and filmstrip titles. Complex pattern formed by reinforcing rods for concrete construction

Texture background for motion picture and filmstrip titles. Complex pa...

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

Washington Monument. Aluminum cap of Washington Monument with lightning rods III

Washington Monument. Aluminum cap of Washington Monument with lightnin...

The Washington Monument is an iconic obelisk located in Washington D.C., United States. It is located on the National Mall and is dedicated to George Washington, the first President of the United States. It was... More

Production. Pratt and Whitney airplane engines. Careful inspections between honings assure compliance with rigid standards in making the master piston rods for Pratt and Whitney airplane engines. The superior performance of the engines, in which rods like this are used, depends upon faithful adherence to specifications. Pratt and Whitney Aircraft

Production. Pratt and Whitney airplane engines. Careful inspections be...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Conversion. Pianos to airplane motors. Prior to the conversion of a Chicago piano factory to the manufacture of parts for trainer planes, Lorraine Avezzano operated this boring machine to prepare piano keyboards for further assembly. Today she uses the same machine to process connecting rods for trainer-plane motors. More than 1,000 of these rods pass through her hands each day. Gulbransen Company

Conversion. Pianos to airplane motors. Prior to the conversion of a Ch...

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

Buffalo, New York. Symington-Gould, makers of tank, ship, and railroad parts. Rod department. Metal rods are used to reinforce the sand in most molds. After the mold has been used, rods are shaken out of the sand and transported to the Rod department. Here women sort them, and will then straighten them or curve them depending on individual requirements

Buffalo, New York. Symington-Gould, makers of tank, ship, and railroad...

Picryl description: Public domain image of a ship in New York harbor, free to use, no copyright restrictions.

City of Concord, N.H. - From the high bluff about 80 rods north east of the Free Bridge / by Henry P. Moore, Concord ; J.H. Buffords Lith., Boston.

City of Concord, N.H. - From the high bluff about 80 rods north east o...

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

Washington Monument. Cap stone of Washington Monument without lightning rods II

Washington Monument. Cap stone of Washington Monument without lightnin...

The Washington Monument is an iconic obelisk located in Washington D.C., United States. It is located on the National Mall and is dedicated to George Washington, the first President of the United States. It was... More

Forest Products Laboratory, Madison, Wisconsin. Charred and blistered wooden rods showing the resistance to fire of woods containing various coatings and impregnations

Forest Products Laboratory, Madison, Wisconsin. Charred and blistered ...

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

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Assembling connecting rods on a crankshaft

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard moto...

Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description

Plan of cross braces, tie rods and connecting plates in pillars of drum of dome

Plan of cross braces, tie rods and connecting plates in pillars of dru...

U.S. Capitol (drawing). This record contains unverified data from caption card.

Casting a billet from an electric furnace, Chase Brass and Copper Co., Euclid, Ohio. Modern electric furnaces have helped considerably in speeding the production of brass and other copper alloys for national defense. Here the molten metal is poured or cast from the tilted furnace into a mold to form a billet. The billet later is worked into rods, tubes, wires or special shapes for a variety of uses

Casting a billet from an electric furnace, Chase Brass and Copper Co.,...

Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description

Production. Pratt and Whitney airplane engines. Single-row piston rods for Pratt and Whitney airplane engines are cleaned and inspected in a large Eastern plant. These important detail jobs are only a few of a series of systematic inspections. Pratt and Whitney Aircraft

Production. Pratt and Whitney airplane engines. Single-row piston rods...

Public domain photograph - historical image of Connecticut, United States, free to use, no copyright restrictions image - Picryl description

Civilian defense. Fire prevention. Fires started by lightning are more common in rural sections than in cities. Country homes and other buildings should be protected by lightning rods. A full 24,000 fires and a loss of 8 1/2 million dollars by lightning were recorded during the last year

Civilian defense. Fire prevention. Fires started by lightning are more...

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

Stacks of vital raw materials in North American's receiving department await delivery to the proper departments. Aluminum tubing and rods

Stacks of vital raw materials in North American's receiving department...

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

Oklahoma City, Oklahoma. Tubing and rods removed from an oil well for repairing

Oklahoma City, Oklahoma. Tubing and rods removed from an oil well for ...

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

Lightning rods atop barn near Rockville, Maryland

Lightning rods atop barn near Rockville, Maryland

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

Halftrac scout cars. Perfectly balanced sets of connecting rods mean better engine performance for the Army's new halftrac scout cars. The man who weighs the rods must adhere to the very close tolerances set up for every operator in the big Midwestern plant in which he works. White Motor Company, Cleveland, Ohio

Halftrac scout cars. Perfectly balanced sets of connecting rods mean b...

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

Production. Pratt and Whitney airplane engines. They'll soon be adding to the power of our mighty American air forces. Rough forgings for the master piston rods of Pratt and Whitney motors are ready for the fine machining that will transform them into the precision-made engine parts that account largely for the excellences of American fighting aircraft. Pratt and Whitney Aircraft

Production. Pratt and Whitney airplane engines. They'll soon be adding...

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

Great Falls, Montana, Anaconda Wire and Cable Company. Wire rods are stacked in warehouse by this machine which can stack several tons at once

Great Falls, Montana, Anaconda Wire and Cable Company. Wire rods are s...

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Putting wire in protectors to prevent rods from damaging the crank case

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard moto...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Orphans' homestead, Gettysburg, Pennsylvania The building, now newly roofed and adapted as far as practicable for its present use, was occupied by General Howard as his head quarters at the battle of Gettysburg. It stands on Cemetery Hill, within a few rods of the vertex of the angle formed by our army in the battle. It is used until a more commodious and suitable structure can be erected to shelter its present fatherless inmates, with many other soldiers' orphans in different States of the Union, awaiting admission to the institution / / Photographed by C.J. Tyson, Gettysburg.

Orphans' homestead, Gettysburg, Pennsylvania The building, now newly r...

Photograph shows Gen. Samuel W. Crawford, Gen. Andrew Porter, Gov. John W. Geary, and Gen. Ulysses S. Grant outside the orphanage and flanked by girls on the left and boys on the right. Gift; James Monroe Memo... More

Washington Monument. Aluminum cap of Washington Monument with lightning rods II

Washington Monument. Aluminum cap of Washington Monument with lightnin...

The Washington Monument is an iconic obelisk located in Washington D.C., United States. It is located on the National Mall and is dedicated to George Washington, the first President of the United States. It was... More

House on the farm rented by Erasty Emvich. Near Battlefield, Indiana. Emvich repaired this house at his own expense when he moved in. There were no windows or doors and the roof had holes three feet wide. He also built a barn, dug a fruit cellar, and put in one hundred rods of fence--all at his own expense. He has now been advised by the landlord that he must leave this year

House on the farm rented by Erasty Emvich. Near Battlefield, Indiana. ...

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

Conversion. Copper and brass processing. This worker is at the controls of an extruding machine, a powerful piece of apparatus in a brass and copper mill that pushes billets of metal usually heated red hot, through a die to form rods, tubes, angles, channels and other shapes. Chase Brass and Copper Company, Euclid, Ohio

Conversion. Copper and brass processing. This worker is at the control...

Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.

Great Falls, Montana. Anaconda Wire and Cable Company. Wire bars are placed on a conveyor which pushes them gradually into the heating furnace where they are brought up to correct temperature for rolling into rods

Great Falls, Montana. Anaconda Wire and Cable Company. Wire bars are p...

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

Conversion. Copper and brass processing. A mechanical feeder is here shown running billets of brass into an electric furnace, where they will be heated at a high temperature. Then the heated billets will be pushed with tremendous force through the die of an extrusion machine to form rods, tubes, angles or other shapes. Chase Brass and Copper Company, Euclid, Ohio

Conversion. Copper and brass processing. A mechanical feeder is here s...

Picryl description: Public domain photograph of lumber, lumberjack workers, 1930s, Great Depression, economic conditions, free to use, no copyright restrictions.

Conversion. Copper and brass processing. Here is a stock of billets, or solid cylindrical brass or copper castings, which have been sawed to length. These billets will be heated and put through a powerful extrusion machine, which will extrude rods, tubes or other special shapes from them. Billets are cast six inches to eight inches in diameter and usually from four to ten feet long. These are sawed to shorter lengths before they go to the extrusion machines. Chase Brass and Copper Company, Euclid, Ohio

Conversion. Copper and brass processing. Here is a stock of billets, o...

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.

Inspecting and stamping identification numbers on rods for aircraft engines. This woman worker wisely wears a hardy work apron in dark blue to protect her light-colored uniform from grease or oil

Inspecting and stamping identification numbers on rods for aircraft en...

Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description

In the sub-assembly department, this woman employee assembles parts for North American B-25 bombers and P-51 Mustang fighters. Engine control rods

In the sub-assembly department, this woman employee assembles parts fo...

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

Great Falls, Montana. Anaconda Wire and Cable Company. Coils of rods which have been produced from wire bars; these cleaned rods are ready to be drawn into wire

Great Falls, Montana. Anaconda Wire and Cable Company. Coils of rods w...

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

Bantam, Connecticut. The business section of Bantam with the camera facing south along Lafayette Boulevard (Route 25). A few rods to the left is the Warren McArthur plant, while the block of stores visible at the left includes Mitchell's Tavern, the First National Store, a garage and two service stations. Not shown, but lying just this side of Mitchell's restaurant is the birthplace of Horace Bushnell, a discoverer of anaesthesia. Reading from the right are the Espiscopal Church, Tony's Bantam Inn, favorite eating place, Marcel Roy's drugstore, the Bantam grocery store and the firehouse

Bantam, Connecticut. The business section of Bantam with the camera fa...

Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.

[Box with rotating rods and a matrix for doing mathematical calculations]

[Box with rotating rods and a matrix for doing mathematical calculatio...

Illus. in: Organum mathematicum .... Herbipoli : Sumptibus Johannis Andreae Endteri & Wolfgangi Jun. haeredum excudebat Jobus Hertz ... ; Prostant Norimbergae : Apud dictos Endteros, anno 1668. Published in: T... More

A black and white photo of a woman working on a machine. Office of War Information Photograph

A black and white photo of a woman working on a machine. Office of War...

Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Divisi... More

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing mill where copper wire bars are reduced to copper rods by running them through a series of rolls. From this mill the rods are coiled and are then treated with a dilute solution of sulphuric acid and washed with water after which they are ready to be drawn into wire

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing m...

Public domain photograph - Montana Folklife collection, ethnography, United States, free to use, no copyright restrictions image - Picryl description

Production. Airplane manufacture, general. Cowling and control rods are assembled in North American's motor department in Inglewood, California, before engines are placed in the planes. This plant produces the battle-tested B-25 ("Billy Mitchell") bomber, used in General Doolittle's raid on Tokyo, and the P-51 ("Mustang") fighter plane, which was first brought into prominence by the British raid on Dieppe

Production. Airplane manufacture, general. Cowling and control rods ar...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing mill where copper wire bars are reduced to copper rods by running through a series of rolls. From this mill the rods are coiled and are then treated with a dilute solution of sulphuric acid and washed with water after which they are ready to be drawn into wire

Great Falls, Montana. Anaconda Wire and Cable Company. The finishing m...

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.

A man working on a machine in a factory. Office of War Information Photograph

A man working on a machine in a factory. Office of War Information Pho...

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

Finished connecting rods ready to be assembled to the crankshaft of a marine engine. Packard marine engine plant, Detroit

Finished connecting rods ready to be assembled to the crankshaft of a ...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Production. Milling machines and machine castings. A large tracer-controlled multiple spindle vertical hydraulic milling machine being tried out on the runoff line of a large machine tool plant, for its eventual job of helping to make master connecting rods for radial aircraft engines. Four of the partially completed rods are mounted on the fixtures in the foreground. When in operation, the machine will have fixtures for eight such rods, so that while the completely automatic tracing finger guides the four cutters (extreme background) around one set of four rods, the operator can be unloading and reloading the other four fixtures with new parts to be milled. This machine will probably be the fourth or fifth of a series of perhaps a dozen different sizes and types of machine tools which will each have to perform their operations before these parts become finished connecting rods

Production. Milling machines and machine castings. A large tracer-cont...

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

Conversion. Pianos to airplane motors. Prior to the conversion of a Chicago piano factory to the manufacture of parts for trainer planes, Lorraine Avezzano operated this boring machine to prepare piano keyboards for further assembly. Today she uses the same machine to process connecting rods for trainer-plane motors. More than 1,000 of these rods pass through her hands each day. Gulbransen Company

Conversion. Pianos to airplane motors. Prior to the conversion of a Ch...

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

Production. Pratt and Whitney airplane engines. In this collection of miscellaneous forgings are link rods, master rods, caps, reduction gear cages, single-row blower cases, cams, and other parts that go to make up Pratt and Whitney engines. The plant at which the picture was taken produces these engines at a rate that would stagger the imagination of Axis industrialists. Pratt and Whitney Aircraft

Production. Pratt and Whitney airplane engines. In this collection of ...

Public domain photograph - historical image of Connecticut, United States, free to use, no copyright restrictions image - Picryl description

Cowling and control rods are added to motors for North American B-25 bombers as they move down the assembly line, North American, Inc., Inglewood, Calif.

Cowling and control rods are added to motors for North American B-25 b...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Washington, D.C. Construction of a bridge and road near Independence Avenue and 14th and 16th Streets, S.W. Concrete work with steel reinforcing rods in front of partly-finished forms

Washington, D.C. Construction of a bridge and road near Independence A...

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

Conversion. Pianos to airplane motors. Prior to the conversion of a Chicago piano factory to the manufacture of parts for trainer planes, Lorraine Avezzano operated this boring machine to prepare piano keyboards for further assembly. Today she uses the same machine to process connecting rods for trainer-plane motors. More than 1,000 of these rods pass through her hands each day. Gulbransen Company

Conversion. Pianos to airplane motors. Prior to the conversion of a Ch...

Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Divisi... More

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard motor car company. Getting assembly of crankshafts and connecting rods ready before dropping into the upper crankcases

Detroit, Michigan. Assembly of Rolls Royce engines at the Packard moto...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Production. A-31 ("Vengeance") dive bombers. Layout for control rods. One of the women employees at the Nashville Division of Vultee Aircraft Inc. is pictured inside a tail cone which will be incorporated in a Vultee "Vengeance" dive bomber. She is checking the layout for control rods. The "Vengeance" (A-31) was originally designed for the French. It was later adopted by the RAF (Royal Air Force) and still later by the U.S. Army Air Forces. It is a single-engine, low-wing plane, carrying a crew of two men and having six machine guns of varying calibers

Production. A-31 ("Vengeance") dive bombers. Layout for control rods. ...

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

Hans Hinrichs, residence in Quogue, Long Island, New York. Living room, detail of fishing rods

Hans Hinrichs, residence in Quogue, Long Island, New York. Living room...

Picryl description: Public domain image of a living room, fireplace, free to use, no copyright restrictions.