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[Mechanical device for scaling towers]

[Mechanical device for scaling towers]

Title devised by Library staff. Illus. in: De re militari / Roberto Valturio. [Verona] : Joannes Nicolai de Verona, 1472. Published in: The tradition of technology : Landmarks of Western technology ... / Leonar... More

[The elaborate device of Franz Birckmann, a Cologne bookseller, showing 3 seperate scenes: The Adoration, St. Ursula with the 11,000 virgins, and a boiling cauldron containing 7 Maccabean youths and their mother. In upper corners are 2 shields containing Cologne arms and Birckmann trademark]

[The elaborate device of Franz Birckmann, a Cologne bookseller, showin...

Illus. in: Opera of St. Cyrillus (1520). Reference copy may be in LOT 4966. This record contains unverified, old data from caption card. Caption card tracings: Shelf.

[Title page of Opera quae ad nos extant omnia, with Froben family device of caduceus clasped by two hands]

[Title page of Opera quae ad nos extant omnia, with Froben family devi...

Title page in: Opera quae ad nos extant omnia / Hippocrates. Basileae : [Per H. Forbenium et N. Episcopi]. 1546. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress... More

Man employing measuring device

Man employing measuring device

Illus. in: Petrus Apianus, Cosmographie, Antwerp, 1581. Reference copy may be in LOT 7007. This record contains unverified, old data from caption card. Caption card tracings: BI WORKS; Cosmography; G&M Div.; Ma... More

[Title page of Le operazioni del compasso geometrico, et militaire; with device showing walking woman with banner "Bondantie"]

[Title page of Le operazioni del compasso geometrico, et militaire; wi...

Title page in: Le operazioni del compasso geometrico, et militaire / Galileo Galilei. Padova : In casa del' autore, per P. Marinelli, 1606. Published in: The tradition of science / Leonard C. Bruno. Washington,... More

[Title page of Discorsi e dimostrazioni matematiche, intorno a due nuove scienze; with device showing man picking fruit from tree marked "non Solus"]

[Title page of Discorsi e dimostrazioni matematiche, intorno a due nuo...

Title page in: Discorsi e dimostrazioni matematiche, intorno a due nuova scienze / Galileo Galilei. Leida : Appresso gli Alsevirii, 1638. Published in: The tradition of science / Leonard C. Bruno. Washington, D... More

[Calculating device for multiplication using circular disks]

[Calculating device for multiplication using circular disks]

Title devised by Library staff. Illus. in: The description and use of two arithmetick instruments. London : Printed by M. Pitt, 1673. Published in: The tradition of technology : Landmarks of Western technology ... More

[Diagram of an early barometer or measuring device]

[Diagram of an early barometer or measuring device]

Illus. and text in: E. Torricelli, Lezioni Accademiche d'Evangelista Torricelli. Firenze, 1715, pp. XXVIII. Ref. copy may be in SSF - WEIGHTS AND MEASURES. This record contains unverified data from caption card... More

Printers' picture gallery. The following device is made up entirely of cuts from the specimen-book of a single- type-foundry in this city. Most of the pictures are current at the South, and are even put by masters into the hands of the slaves ..

Printers' picture gallery. The following device is made up entirely of...

Anti-slavery.; Title. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 133, Folder 29.

[Spectators in an arena viewing the ascension of a balloon driven by propellers with an inflation device in the foreground] / G. Meloni disegnò e inv.

[Spectators in an arena viewing the ascension of a balloon driven by p...

Title devised by Library staff. Tissandier collection.

[Cut-paper silhouette of John I. Hawkins, left profile, possibly by himself using his physiognotrace device]

[Cut-paper silhouette of John I. Hawkins, left profile, possibly by hi...

Title devised by Library staff. Inscribed in ink on lower left corner: Mr. Hawkins. (DLC/PP-1998:151.28) Forms part of: Marian S. Carson collection at the Library of Congress.

[Astrological device showing signs of the Chinese calendar, with case]

[Astrological device showing signs of the Chinese calendar, with case]

Title devised by Library staff. Inscribed in pencil on lower left corner of paper mount: Kano Nov. 1878. From the "Medicine" series. Gift; Mrs. David Murray; 1909. Forms part of: David Murray collection. Forms ... More

[Men in costumes with device used for punishment, Korea] - Frank G. Carpenter collection

[Men in costumes with device used for punishment, Korea] - Frank G. Ca...

Title and other information transcribed from caption card and item. LOT subdivision subject: Korea. Frank and Frances Carpenter Collection (Library of Congress). Caption card tracings: Geogr.; Punishment.

Novel device for stopping a runaway horse - Designed by Ed. Reichenbach, Orrville, Ohio

Novel device for stopping a runaway horse - Designed by Ed. Reichenbac...

Man seated in carriage rigged with a weight attached to pulleys, which is lifting a horse off of ground. Advertisement label of Reichenbach's Tile Drains. LOT subject: Sewerage. "19625X." Title and other inform... More

[Reproduction of page from notebook of Leonardo da Vinci showing a geared device assembled and disassembled]

[Reproduction of page from notebook of Leonardo da Vinci showing a gea...

Title devised by Library staff. Illus. in: Il codice atlantico di Leonardo da Vinici nella Biblioteca ambrosiana di Milano. Milano : U. Hoepli, 1894-1904. Published in: The tradition of technology : Landmarks o... More

[Motion picture device]

[Motion picture device]

26454 U.S. Copyright Office. Copyright by Donaldson Brothers.

[Female students exercising, one with a wall-mounted device using ropes and pulleys, Western High School, Washington, D.C.]

[Female students exercising, one with a wall-mounted device using rope...

No. 19. In album: "Western High School." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

[Female student exercising with a wall-mounted device using ropes and pulleys, Western High School, Washington, D.C.]

[Female student exercising with a wall-mounted device using ropes and ...

No. 17. In album: "Western High School." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

Machine signs 7,000 social security checks per hour with no writer's cramp. Washington, D.C., Dec. 14. John W. Thomas is shown here feeding social security checks into a check signing device which reels off some 7,000 checks per hour. The checks are being made at the Treasury Department's Disbursing Division, and will be [...] out starting next Jan. 1 to recipients of social security payments
Safety device for blind landing of air-track. Washington D.C. The monitoring device of the air-track blind landing in the above photo tells the man on the ground if all the beams are being sent out correctly if there is any error in transmission of the beams this machine will pick It up immediately and the pilot can be notified to come into the airdrome again while corrections can be made
Final check, weather device. Washington, D.C., Sept. 13. L.L. Stockman, also of the Bureau of Standards, Radium Division, uses a wave meter to check the radiometeorograph before attaching it to the parachute and the balloon. When the inflated bag breaks, which it usually does after several hours flying, the instrument is parachuted to the ground. Many times the instrument is found and returned to the bureau. The radiometeorograph contains two radio tubes, a miniature dry cell battery and devices which record and send the weather signals which, in turn, are recorded on a chronograph in Dr. Astin's bood [?] radio room.
[Start of the first flight of 1905, Orville Wright at controls of the machine, near the hangar at Huffman Prairie. The two figures in the center are probably Wilbur Wright and Charles E. Taylor. The catapult launching device appears for the first time in a photograph]

[Start of the first flight of 1905, Orville Wright at controls of the ...

Title based on: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 59. Attributed to Wilbur and/or Orville Wright. Reference copy i... More

Life boat device on "IMPERATOR"

Life boat device on "IMPERATOR"

Photo shows a model of the S.S. Imperator, an ocean liner of the Hamburg America Line. (Source: Flickr Commons project, 2009)

Chisholm mine rescue device

Chisholm mine rescue device

Photograph shows a mine rescue device possibly related to the work of K.H. Chisholm, a US Bureau of Mines inspector who dealt with mine safety issues. (Source: Flickr Commons project, 2014)

This device on hat or helmet means U.S. Marines / F.

This device on hat or helmet means U.S. Marines / F.

U.S. Marine Corps insignia and hat and helmet with the insignia. Promotional goal: U.S. J26. 191-.

TARGET PRACTICE. RANGE FINDING DEVICE
[Banquet scene with flag draping and men seated holding up listening device to one ear]
Bureau Eng. & Ptg. Printing money: type of motor device, hand press, [1914]
What is this? Every American citizen should know that this device is worn by our U.S. Marines, who serve at sea, at home, and abroad.

What is this? Every American citizen should know that this device is w...

Poster showing the emblem of the United States Marine Corps. Text continues: There is a splendid opportunity for foreign travel with good pay and all expenses paid. It's a two-in-one service both naval and mil... More

Device manufactured by the National Ouija Board Co., Washington, D.C.

Device manufactured by the National Ouija Board Co., Washington, D.C.

Title and other information transcribed from caption card and item. LOT subdivision subject: Social Life & Customs. National Photo Company Collection (Library of Congress). French Coll. - WASHINGTON (D.C.). Ref... More

Demonstration of safety control device for railroad crossing before members of Congress at the Capitol today

Demonstration of safety control device for railroad crossing before me...

W.T. Ferguson of the Safety Railway Crossing Co. of Charleston, W. Va., posed with Rep. A.W. Taylor, Rep. J.V. McClintock, H.R. Rathbone, and Rep. J.F. Strother. National Photo Company Collection (Library of Congress).

[Henry Cabot Lodge standing on platform outdoors making a speech; man seated on platform with hearing aid or recording device]
Life saving device, 8/17/22
Dept. of Agric., first device to accurately measure a loaf of bread in cubic centimeters has been prefected by Bureau of Agricultural Economics
Manly life boat releasing device
Smoke screen device, 9/1/23
Dr. E. Francis Warren, of Harvard U., believes he will be able to "shoot down" the heaviest clouds and fog by his new invention demonstrated recently at Bolling Field, Wash., by Army fliers. The process uses sand and he states that if enough airplanes are equipped with this device, it will not only be possible to break up clouds and cause rainbut to remove fogs from over both cities and harbors. The picture shows Lt. W. E. Melville pouring sand into the pit. Directly underneath the wing can be seen a nozzle that sprays the sand through the air
The yardstick is being applied to the measuring of radio waves by means of parallel device of galvanometer, the radio laboratory of the Bureau of Standards has succeeded in measuring very short radio waves, only ten meters in length
Railroad crossing saftey device before House Com., 4/19/26
Radio inspectors now on the job. Watch out for the ------ Radio inspectors will get you! Broadcasting stations that do not keep on their own wave LE may expect to receive a hurry call from a person resembling a physician with a medical case---In fact, however, he is RA Inspector with a portable frequency indicator. This device designed by the Radio Laboratory of the Bureau of Standards
Railroad crossing saftey device before House Com., [4/19/26]
Capt. S.N. Petrenko with calibration testing device (Bu. of Stds.), 3/19/26
Demonstrates non-sinkable ship to members of Congress. Adam T. Drekolias, of New York, demonstrating to members of the House Naval Affairs Committee, February 24th, his invention which he claims will keep any ship from sinking, no matter how badly damaged. The invention is a collapsible chamber designed to ? air in the hull of a disabled vessel, even if a ship were completely filled with water. He claims the device would keep its upper deck above the surface, giving the crew a chance for their lives until rescuers arrived. Mr. Drekolias is shown on the left in the photograph
Leg saver. Chester Antos, student at Georgetown University medical school, photographed with the newly devised Emerson suction pressure apparatus which designers believe will prevent amputation in many cases. The mechanical "boot" is to be used in treatment of severe cases of peripheral vascular diseases. The device was developed by Dr. Louis A. Hermann of Cincinnati. By increasing and decreasing the air pressure alternatively, the "boot" tends to stimulate circulation through the leg. The pump boot is a gift to Georgetown University Hospital from an alumnus. 11/12/35
Three way vehicle boom. This is what is left of a tri-phibian, a device intended to fly in the air, run on the highway, or through the water. The inventor, [...] Viachos of Washington, was in it when it blew up. Now he is in the hospital. A.M. Crumpler, shown here with Mrs. Viachos, helped pull the inventor from the wreckage. It did not get into the air. 10/25/35
Witness sun's defiance to human powers, Washington, D.C., September 8. Senor Adolfo Niebuhr, of Argentine, Dr. Richard Plobet, of Germany, and Dr. Eugen Melchinger, of Germany, witness the failure of Dr. Charles G. Abbott's sun ray machine. The device which is said to be capable of operating half-horsepower steam engine by the sun's heat failed when the concentrated heat proved too much for the soldier connections The men are representatives of their respective countries to the Third World Power Conference which is now being held in this city
Sun refuses to be harnessed, Washington, D.C., September 8. The scheduled exhibition of Dr. Charles G. Abbott's sun ray machine was ruined today because there was too much sun. The intense heat, after being concentrated melted the solder connections. Dr. Abbott, the inventor, then went ahead to explain his device which is said to be capable of operating a half-horsepower steam engine by the sun's heat. The exhibition was held in honor of some of the delegates to the Third World Power Conference which is now being held here
Device for testing testers. Washington, D.C., May 25. Herbert L. Whittemore, Chief Justice of the Engineering Mechanics Sections, U.S. Bureau of Standards, has been awarded the Edward Longstreth medal for his work in developing this device for testing the machines which in turn test construction materials. The medal is awarded annually by the Franklin Institute, 52537

Device for testing testers. Washington, D.C., May 25. Herbert L. Whitt...

Title from unverified caption data received with the Harris & Ewing Collection. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pn... More

New radio meteorograph developed for the U.S. Navy. Washington, D.C., June 9. The National Bureau of Standards has recently developed for the U.S. Navy Meteorological Service a new radio meteorograph. The new instrument (shown in the picture) is sent up on a 5-Foot balloon and is expected to replace the use of airplanes in upper-air meteorological surroundings. E.G. Lapham, Associate Physicist of the bureau, is shown assembling the new meteorograph in preperation for an ascent. The device transmits audio notes which are a function of temperature and humidity. These notes are interrupted at approximately each 10-millibar increment in pressure, thus identifying each temperature and humidity indication with its respective increment of altitude, 6/9/37
Safety device for blind landing of air-track. Washington D.C. The monitoring device of the air-track blind landing in the above photo tells the man on the ground if all the beams are being sent out correctly if there is any error in transmission of the beams this machine will pick It up immediately and the pilot can be notified to come into the airdrome again while corrections can be made

Safety device for blind landing of air-track. Washington D.C. The moni...

Title from unverified data on the negative or negative sleeve. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pnp/pp.hec Temp. no... More

Measuring relative humidity by radio. Washington, D.C. June 9. The hair element for measuring relative humidity in radio weather sounding balloons has proved innacurate because of very slow response at the cold temperatures encountered in the upper atmosphere. F.W. Dunmore, Radio Engineer of National Bureau of Standards, has just developed a new device for the U.S.Navy which will overcome this effect and at the same time will not be affected in response by temperature. He is shown in the photograph observing a graph on the recorder being produced by radio signals from an ascending balloon carrying the new device. This is the first record obtained with this new developement and shows a repidity of response much greater than the hair hygrometers Hitherto used. 6937

Measuring relative humidity by radio. Washington, D.C. June 9. The hai...

Title from unverified caption data received with the Harris & Ewing Collection. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pn... More

The photographs in the Farm Security Administration / Office of War Information Photograph
U.S. experts test weather device. Washington, D.C., Sept. 13. Scientists of the National Bureau of Standards today conducted a test of the new radiometeorograph, a device attached to parachute and balloon and sent into the skies to radio back signals giving the pressure, temperature and humidity of the upper air. Preparing the balloon for the ascension are Dr. L.V. Astin, (left) of the Bureau's Electrical Division, and Dr. L.F. Curtiss, head of the Radium Division. The balloon carries the instrument as high as 50,000 or 60,000 feet. 9 to 11 miles high. Today's test was conducted for the U.S. Weather Bureau. 9/13/37
After gathering pine cones, seeds are threshed out with this device. Withlacoochee Land Use Project, Florida
Loading device moving railroad cars full of timber at camp near Effie, Minnesota
Device for testing testers. Washington, D.C., May 25. Herbert L. Whittemore, Chief Justice of the Engineering Mechanics Sections, U.S. Bureau of Standards, has been awarded the Edward Longstreth medal for his work in developing this device for testing the machines which in turn test construction materials. The medal is awarded annually by the Franklin Institute, 5/25/37
Measuring relative humidity by radio. Washington, D.C. June 9. The hair element for measuring relative humidity in radio weather sounding balloons has proved innacurate because of very slow response at the cold temperatures encountered in the upper atmosphere. F.W. Dunmore, Radio Engineer of National Bureau of Standards, has just developed a new device for the U.S.Navy which will overcome this effect and at the same time will not be affected in response by temperature. He is shown in the photograph observing a graph on the recorder being produced by radio signals from an ascending balloon carrying the new device. This is the first record obtained with this new developement and shows a repidity of response much greater than the hair hygrometers Hitherto used. 6/9/37
Weather signals recorded. add weather device. Washington, D.C., Sept. 13. By means of this chronograph, Dr. L.V. Astin records the weather signals sent down from the radiometeorograph attached to the balloon as it soars anywhere from 9 to 11 miles in the upper air. 9/13/37
The photographs in the Farm Security Administration / Office of War Information Photograph
War Secretary presents Army Flyers with Mackay Trophy. Washington, D.C., Oct. 14. As a reward for their development and demonstration of the original automatic landing device for aircraft, Captains Carl J. Crane and George V. Holloman, U.S. Army Air Corps, were today presented with the MacKay trophy for 1937 by Secretary of War Harry H. Woodring. Gold medals, emblematic of the trophy were presented the Flyers at the same time. Left to right: Charles F. Horner, Chairman of the National Aeronautic Association; Secretary Woodring, Capt. Carl J. Crane, and Capt. George V. Holloman, 10/14/38
Setting up stand for mechanical amusement device, state fair, Donaldsonville, Louisiana
Members of Civil Aeronautics Authority inspect latest aid to airplane pilots. Washington, D.C., Oct. 10. An instrument which gives airplane pilots their height above the ground over which the plane is flying was demonstrated today to members of the Civil Aeronautics Authority by officials of the Western Electric Co. and the United Airlines. Claimed to be the first successful altimeter showing terrain clearance, the new device operates by radio, using the shortest wave ever employed for aviation, officials of the companies stated. In the photograph, left to right: Col. Sumter Smith, Peter C. Sandrette, Supt. of the United Airline's communication laboratory who was in charge of the demonstration; and Thomas Hardin. Smith and Hardin are members of the Civil Aeronautics Authority, 10/10/38
Cotton from the bale is transported by belt to machine for making cotton bats. Weighing device is so sensitive that it directs the cotton from one machine to another. Laurel, Mississippi
Farmer loading spreading device with grasshopper poison. Forsyth, Montana
Direction and draft of drilling operations is determined by a camera enclosed in a tube with a compass, lighting facilities and timing device, which is sent to bottom of hole. Oil well, Kilgore, Texas
Electric Institute of Washington, Potomac Electric Power Co. Building. Device called Ice Lite in palm of hand
Keeping score in the war production drive. 2) Like to mop up on these babies? Well, that's the idea. Above is another suggested War Production Board (WPB) device to enable America's factory workers to know the score in their drive to erase these gentlemen. As plant production draws closer to its goal, Awful Adolf, Bungling Benito and Horrors Hirohito begin to disappear from the face of the blackboard as they will presently disappear from the face of the earth
Keeping score in the war production drive. 2) Like to mop up on these babies? Well, that's the idea. Above is another suggested War Production Board (WPB) device to enable America's factory workers to know the score in their drive to erase these gentlemen. As plant production draws closer to its goal, Awful Adolf, Bungling Benito and Horrors Hirohito begin to disappear from the face of the blackboard as they will presently disappear from the face of the earth
Steel manufacture, Allegheny-Ludlum. Space is a prime requisite for a steel plant. The huge production machinery itself and the various tools for treatment of the steel after it has been refined may extend for acres. In the center here is the exit end of a plate mill. After the plates are hot-rolled and released, they pass through the roller leveling device at the right, where they are flattened for commercial use
Bureau of Standards designs new device for studying water flow through plumbing fixtures. Washington, D.C., March 13. A new type of rate-of-flow meter for studying the rate of variation of flow of water through plumbing fixtures and for use in investigation presenting similar problems has just been designed and built by the U.S. Bureau of Standards with the cooperation of the Plumbing Fixture Manufacturers Research Associateship. Mr. H.M. Eaton, who is in charge of the hydraulics laboratory where the device is installed, is shown in foreground of picture, 3-13-40

Bureau of Standards designs new device for studying water flow through...

Title from unverified caption data received with the Harris & Ewing Collection. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pn... More

Bureau of Standards designs new device for studying water flow through plumbing fixtures. Washington, D.C., March 13. A new type of rate-of-flow meter for studying the rate of variation of flow of water through plumbing fixtures and for use in investigation presenting similar problems has just been designed and built by the U.S. Bureau of Standards with the cooperation of the Plumbing Fixture Manufacturers Research Associateship. Mr. H.M. Eaton, who is in charge of the hydraulics laboratory where the device is installed, is shown in foreground of picture, 3-13-40
Rubber reclamation. Rubber "mush" from old tires. Softened rubber material, reclaimed from scrap tires by dissolving and washing away the fiber, passes from dewatering screens to storage bins. The rubber, still hot from steam used in previous operations, is kept moving into a squeezing device before proceeding to the drying and other operations of the xylos process. Firestone
Long Bell Lumber Company, Cowlitz County, Washington. Loading device used at a spar tree for placing logs on railroad cars from the yard
Conversion. Jukebox plant. A skilled milling machine operator, this employee of an Eastern jukebox manufacturing concern has already been given war work to do. He's aiding in production of electrical control instruments whose basic design is similar to the control device on jukeboxes. When jukeboxes still on the assembly lines have been completed this firm will devote most of its space to war production. Rudolph Wurlitzer, North Tonawanda, New York
Chaplains who are about to leave for their stations have their picture taken with a camera with an automatic timing device. U.S. Army chaplain school, Fort Benjamin Harrison, Indiana
Conversion. Jukebox plant. Production of the drill jig part, pictured here, is included in the conversion of a jukebox manufacturing company to war production. Control instruments based on the jukebox selection device will be manufactured for America's armed forces. Rudolph Wurlitzer, North Tonawanda, New York
Some of our troops stationed in India taking a shower under a homemade device made from airplane crates
Buried trolley tracks salvaged to aid war program. Old tracks for new guns. One of the ways many American cities are responding to Uncle Sam's call for scrap is by pulling out abandoned trolley tracks. This apparatus, developed by an Asheville, North Carolina machine shop operator, is being used to tear out the old buried tracks in his city. With three men, the device can remove twenty-five tons of rail per day
Geiger Field, Washington. Officers and men are taught to be on the alert for a gas attack at any time. This jeep appears at unexpected places and sends out a charge of tear gas from the ingenious device attached to the muffler. Those in the vicinity, to protect themselves from the irritating gas, must be able to don their masks instantaneously
Anaconda smelter, Montana. Anaconda Copper Mining Company. Conveyor belt above the ore storage bins; by a moving device ore is delivered to any one of several storage bins
Conversion. Silverware plant. To meet Air Corps Ordnance specifications, this bomb shackle must be accurate to the 1/10,000th of an inch, and that's pretty tight measuring by anybody's standards. An employee of an Eastern plant which produced silver tableware in peacetimes, inspects the shackle aided by a surface height device. Oneida Ltd., Oneida, New York
Anaconda smelter, Montana. Anaconda Copper Mining Company. Automatic sampler at end of conveyor belt; by this device, which gathers and drops a sample into a hopper, precise information is obtained concerning the content of copper and other metals in the ore
Buried trolley tracks salvaged to aid war program. Removing abandoned trolley tracks to provide much needed scrap for Uncle Sam. Here, in Asheville, North Carolina, a local inventor demonstrates his "railjerk" for doing the trick. He claims his device, employing three men, can pry loose a mile of track a day
Salvage. New York local story. Keys to Uncle Sam's arsenal for democracy. Ranging in size form a tiny jewelcase opener to a massive half-pound brass device used in a French chateau grilled door, a donor turns over to the salvage drive more than 200 keys weighing five pounds, one ounce to Mrs. Mortimer Hess, vice chairman of the Women's Division of the New York City Salvage Committee at its headquarters in the Channing Building. Soon these keys will be on their way to the smelters to refine into new steel and brass to make America's guns and cartridges
Conversion. Jukebox plant. Production of the drill jig part, pictured here, is included in the conversion of a jukebox manufacturing company to war production. Control instruments based on the jukebox selection device will be manufactured for America's armed forces. Rudolph Wurlitzer, North Tonawanda, New York
U.S. Naval Academy, Annapolis, Maryland. Studying a testing device
Salvage. New York local story. Keys to Uncle Sam's arsenal for democracy. Ranging in size form a tiny jewelcase opener to a massive half-pound brass device used in a French chateau grilled door, a donor turns over to the salvage drive more than 200 keys weighing five pounds, one ounce to Mrs. Mortimer Hess, vice chairman of the Women's Division of the New York City Salvage Committee at its headquarters in the Channing Building. Soon these keys will be on their way to the smelters to refine into new steel and brass to make America's guns and cartridges
Conversion. Jukebox plant. As indigenous to the American scene as the hamburger stand and Mickey Mouse, juke boxes like this, here being tested. From now on, electrical control instruments, based on the principle of the jukebox selection device, will be produced here for use by Uncle Sam's armed forces. Rudolph Wurlitzer, North Tonawanda, New York
Pittsburgh, Pennsylvania. By using a polarized light apparatus to take pictures of plastic models of turbine nuts and bolts, Dr. Hetenyi, Hungarian-born research engineer at the Westinghouse Electric and Manufacturing Company, has discovered how to make this fastening device up to forty per cent stronger. He found that nuts and bolts with broad shoulders and tapered bodies distribute stress on threads more evenly than do ordinary nuts and bolts
Bell Aircraft Corp., Niagara Falls, New York. Simple device for curbing absenteeism is this AWOL card put up on the board near the time clock
[Television screen showing depiction of panel with a circular device, over which is written "Glenn's Voice", during John Glenn's orbit around earth in the Friendship 7 space capsule on February 20, 1962]

[Television screen showing depiction of panel with a circular device, ...

Title devised by Library staff. Contact sheet folder caption: "Glenn shot round the world 3 times on television, MST, 2/20/62." U.S. News & World Report Magazine Photograph Collection. Contact sheet available f... More

Mechanic John Clark demonstrates use of computerized device, called a "controller," that directs operation of a loom.

Mechanic John Clark demonstrates use of computerized device, called a ...

Forms part of a group of images documenting scenes at Kalkstein Silk Mills, Inc., 75 Wood Street, Paterson, New Jersey.

[Design drawing for stained glass window with St Lucy with palm leaf and sword; and St Agatha with lily, and torture device(?)]
[Design drawing for stained glass window with St Lucy with palm leaf and sword; and St Agatha with lily, and torture device(?)]
[Design drawing for stained glass window with St Lucy with palm leaf and sword; and St Agatha with lily, and torture device(?)]
[Design drawing for stained glass window with St Lucy with palm leaf and sword; and St Agatha with lily, and torture device(?)]
[Occupational portrait of a carpenter, three-quarter length, seated, facing front, holding hammer and nail, on a chair at his side are a saw, box plane, and measuring device]

[Occupational portrait of a carpenter, three-quarter length, seated, f...

Photographer unidentified. Case: central floral motif surrounded by lillies and leaves. Purchase/exchange; Gary Vroegindewey; 1981; (DLC/PP-1981:380R.14). Forms part of: Daguerreotype collection (Library of Congress).

[Occupational portrait of a carpenter, three-quarter length, seated, facing front, holding hammer and nail, on a chair at his side are a saw, box plane, and measuring device]

[Occupational portrait of a carpenter, three-quarter length, seated, f...

Photographer unidentified. Case: central floral motif surrounded by lillies and leaves. Purchase/exchange; Gary Vroegindewey; 1981; (DLC/PP-1981:380R.14). Forms part of: Daguerreotype collection (Library of Congress).

[Stereograph of man with device designed for flying]

[Stereograph of man with device designed for flying]

133944S(?) U.S. Copyright Office. Copyright by Underwood & Underwood. No. U-117748. No. 007748.

[Stereograph of man with device designed for flying]

[Stereograph of man with device designed for flying]

133944S(?) U.S. Copyright Office. Copyright by Underwood & Underwood. No. U-117748. No. 007748.

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