"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of the United States in the 1930s, portraits, people, events, free to use, no copyright restrictions image - Picryl description
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Sergeant Tony Gaudiello, of Uniontown, Pennsylvania, somewhere in the ...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Hoffman Island, New York. Ensign Strong instructing class on the "spe...
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
![[Design drawing for stained glass window with Tall ship with full sails and border of compass rose, fish, foliage and blowing Four Winds putti; Brandywine Valley illustration-style]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTcvMDEvMDEvZGVzaWduLWRyYXdpbmctZm9yLXN0YWluZWQtZ2xhc3Mtd2luZG93LXdpdGgtdGFsbC1zaGlwLXdpdGgtZnVsbC1zYWlscy1hbmQtMy0xMDI0LmpwZw%3D%3D/40/53/webp "[Design drawing for stained glass window with Tall ship with full sails and border of compass rose, fish, foliage and blowing Four Winds putti; Brandywine Valley illustration-style]")
[Design drawing for stained glass window with Tall ship with full sail...
Public domain photograph of stained glass design, gelatin silver print, free to use, no copyright restrictions image - Picryl description
![Scientists for Uncle Sam awarded Magellan Gold Medal. Dr. L.J. Briggs, left, Assistant Director and Dr. Paul R. [Heyl?], Chief of the Sound Section of the United States Bureau of Standards, with the first successful experimental model of the earth inductor compass, which they developed for the Army Air Corps and for which they were awarded the Magellan Gold Medal by the American Philosophical Society. It was a model of this same compass that Capt. Charles Lindbergh used on his epochal flight from New York to Paris](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjcvMDEvMDEvc2NpZW50aXN0cy1mb3ItdW5jbGUtc2FtLWF3YXJkZWQtbWFnZWxsYW4tZ29sZC1tZWRhbC1kci1sai1icmlnZ3MtbGVmdC1hc3Npc3RhbnQtMTAyNC5qcGc%3D/40/30/webp "Scientists for Uncle Sam awarded Magellan Gold Medal. Dr. L.J. Briggs, left, Assistant Director and Dr. Paul R. [Heyl?], Chief of the Sound Section of the United States Bureau of Standards, with the first successful experimental model of the earth inductor compass, which they developed for the Army Air Corps and for which they were awarded the Magellan Gold Medal by the American Philosophical Society. It was a model of this same compass that Capt. Charles Lindbergh used on his epochal flight from New York to Paris")
Scientists for Uncle Sam awarded Magellan Gold Medal. Dr. L.J. Briggs,...
Picryl description: Public domain image of a portrait of a scientist, free to use, no copyright restrictions.
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of the United States in the 1930s, portraits, people, events, free to use, no copyright restrictions image - Picryl description
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of the United States in the 1930s, portraits, people, events, free to use, no copyright restrictions image - Picryl description
Hoffman Island, New York. Gyro compass and steering class at the Unite...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Oil painting "Compass" located on lobby ceiling, U.S. Custom House, Ph...
Artist: George Harding, 1938. Photographed as part of an assignment for the General Services Administration. Title information, date, and subject note provided by the photographer. Credit line: Photographs in t... More
With compass and T-square during World War I
Exhibit poster showing two scenes in which men with partial arm amputations perform mechanical drafting without the need for prostheses. Poster caption: For one-armed men, mechanical drafting has proved a good ... More
Direction and draft of drilling operations is determined by a camera e...
Public domain photograph - historical image of Texas, United States, free to use, no copyright restrictions image - Picryl description
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of the United States in the 1930s, portraits, people, events, free to use, no copyright restrictions image - Picryl description
Conversion. Watch cases to war production. Skill and experience back t...
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.
![[Design drawing for stained glass window showing 3 modern (ca. 1975) children play outdoors; with bell-bottoms, balloons, butterfly, tree stump, patch or shield with water and compass rose]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTcvMDEvMDEvZGVzaWduLWRyYXdpbmctZm9yLXN0YWluZWQtZ2xhc3Mtd2luZG93LXNob3dpbmctMy1tb2Rlcm4tY2EtMTk3NS1jaGlsZHJlbi1wbGF5LTEtMTAyNC5qcGc%3D/40/53/webp "[Design drawing for stained glass window showing 3 modern (ca. 1975) children play outdoors; with bell-bottoms, balloons, butterfly, tree stump, patch or shield with water and compass rose]")
[Design drawing for stained glass window showing 3 modern (ca. 1975) c...
Public domain image of watercolor painting from British-related collections, free to use, no copyright restrictions - Picryl description
![[Fernando Magellan, half-length portrait, facing left; holding globe and compass]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4ODYvMDEvMDEvZmVybmFuZG8tbWFnZWxsYW4taGFsZi1sZW5ndGgtcG9ydHJhaXQtZmFjaW5nLWxlZnQtaG9sZGluZy1nbG9iZS1hbmQtY29tcGFzcy02NDAuanBn/40/58/webp "[Fernando Magellan, half-length portrait, facing left; holding globe and compass]")
[Fernando Magellan, half-length portrait, facing left; holding globe a...
Illus. in Narrative and critical history of America / Winsor. 1886, v. 2, p. 595. Reference copy in BIOG. FILE - Magellan, Fernando, 1470?-1521.
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of the United States military and military-industrial complex before World War Two, 1930s, free to use, no copyright restrictions image - Picryl description
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Conversion. Watch cases to war production. Compacts out, war productio...
Public domain photograph - working class people, the 1930s United States, work, labor, worker, free to use, no copyright restrictions image - Picryl description
![[Occupational portrait of a tinworker (?), half-length, left profile, seated at table with tablecloth, working with a mallet, snips, compass, and metal cylinder]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjYvb2NjdXBhdGlvbmFsLXBvcnRyYWl0LW9mLWEtdGlud29ya2VyLWhhbGYtbGVuZ3RoLWxlZnQtcHJvZmlsZS1zZWF0ZWQtYXQtdGFibGUtZDQ0MjhmLTEwMjQuanBn/40/32/webp "[Occupational portrait of a tinworker (?), half-length, left profile, seated at table with tablecloth, working with a mallet, snips, compass, and metal cylinder]")
[Occupational portrait of a tinworker (?), half-length, left profile, ...
Hallmark: AB MORTLEY, UTICA, N.Y. Case: scroll design. Embossed on cushion of case: Bogardus, 229 Greenwich, N.Y. Purchase/exchange; Gary Vroegindewey; 1981; (DLC/PP-1981:380R.10). Forms part of: Daguerreotype... More
![[Design drawing for stained glass window showing 3 modern (ca. 1975) children play outdoors; with bell-bottoms, balloons, butterfly, tree stump, patch or shield with water and compass rose]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTcvMDEvMDEvZGVzaWduLWRyYXdpbmctZm9yLXN0YWluZWQtZ2xhc3Mtd2luZG93LXNob3dpbmctMy1tb2Rlcm4tY2EtMTk3NS1jaGlsZHJlbi1wbGF5LTEwMjQuanBn/40/53/webp "[Design drawing for stained glass window showing 3 modern (ca. 1975) children play outdoors; with bell-bottoms, balloons, butterfly, tree stump, patch or shield with water and compass rose]")
[Design drawing for stained glass window showing 3 modern (ca. 1975) c...
Public domain image of watercolor painting from British-related collections, free to use, no copyright restrictions - Picryl description
A new and correct map of the world : laid down according to the newest...
Relief shown pictorially. Insets: The northern hemisphere upon the plane of the Equinoctial -- The northern coelestial hemisphere -- A projection of ye world upon equidistant meridians and parallels -- The nort... More
![[Mariner's compass]. 19th century, Library of Congress collection](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTEvMDkvbWFyaW5lcnMtY29tcGFzcy05ZWRmODAtMTAyNC5qcGc%3D/40/32/webp "[Mariner's compass]. 19th century, Library of Congress collection")
[Mariner's compass]. 19th century, Library of Congress collection
Illus. in: Epistola Petri Peregrini de Maricourt ad Sygerum de Foucaucourt militem de magnete" in Bulletino di bibliografia e de storia della scienze matematiche e fisiche, t. 1. 1868. Published in: The tradit... More
![[Sebastian Cabot, half-length portrait, standing with compass and globe, facing front]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMDUvc2ViYXN0aWFuLWNhYm90LWhhbGYtbGVuZ3RoLXBvcnRyYWl0LXN0YW5kaW5nLXdpdGgtY29tcGFzcy1hbmQtZ2xvYmUtZmFjaW5nLTY5ZTlhYy0xMDI0LmpwZw%3D%3D/40/50/webp "[Sebastian Cabot, half-length portrait, standing with compass and globe, facing front]")
[Sebastian Cabot, half-length portrait, standing with compass and glob...
Y16118 U.S. Copyright Office. From the painting by Chapman after the original attributed to Holbein. Copyright by G. Barrie & Sons.
![[Man with globe, compass, and books gazing over landscape]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MTcvMDEvMDEvbWFuLXdpdGgtZ2xvYmUtY29tcGFzcy1hbmQtYm9va3MtZ2F6aW5nLW92ZXItbGFuZHNjYXBlLTY0MC5qcGc%3D/40/32/webp "[Man with globe, compass, and books gazing over landscape]")
[Man with globe, compass, and books gazing over landscape]
Title devised by cataloger. (DLC/PP-1934:0056). Forms part of: Cabinet of American illustration (Library of Congress). Published in: "Our Invisible Helpers" by Maurice Maeterlinck, Cosmopolitan, 63:41 (Nov. 1917).
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Picryl description: Public domain image of naval activity, ship, sea, 19th-20th century navy, free to use, no copyright restrictions.
Covering the compass. Partially-completed big guns point North, East, ...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Compass belonging to Abraham Lincoln, preserved at Ford's Theatre, Was...
Digital image produced by Carol M. Highsmith to represent her original film transparency; some details may differ between the film and the digital images. Title, date, and keywords from information provided by ... More
The steam ship President, the largest in the world Lieut. Roberts R.N....
Currier & Ives : a catalogue raisonné / compiled by Gale Research. Detroit, MI : Gale Research, c1983, no. 6197
Illus. of the Rectifier, in Andrew Wakeley, The Mariner's compass rect...
Illus. in: Andrew Wakeley, The Mariner's compass rectified, London, J. Mount and T. Page, 1766. No file print. This record contains unverified, old data from caption card. Caption card tracings: BI WORKS; Navig... More
Photo of Surveying compass - Public domain dedication
Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.
Conversion. Watch cases to war production. Conversion, all the day. Th...
Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description
Gloucester, Massachusetts. With the light from the compass binnacle il...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Fort Belvoir, Virginia. Compass reading class in the Officer Candidate...
Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.
![[Design drawing for stained glass window with Tall ship with full sails and border of compass rose, fish, foliage and blowing Four Winds putti; Brandywine Valley illustration-style]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTcvMDEvMDEvZGVzaWduLWRyYXdpbmctZm9yLXN0YWluZWQtZ2xhc3Mtd2luZG93LXdpdGgtdGFsbC1zaGlwLXdpdGgtZnVsbC1zYWlscy1hbmQtMi0xMDI0LmpwZw%3D%3D/40/53/webp "[Design drawing for stained glass window with Tall ship with full sails and border of compass rose, fish, foliage and blowing Four Winds putti; Brandywine Valley illustration-style]")
[Design drawing for stained glass window with Tall ship with full sail...
Public domain reproduction of illuminated manuscript page, free to use, no copyright restrictions image - Picryl description
Victory food from American waters. With the light from the compass bin...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Compass used by John Wilkes Booth when he tried to escape Washington, ...
Title, date, and subjects provided by the photographer. Credit line: Carol M. Highsmith's America, Library of Congress, Prints and Photographs Division. Gift and purchase; Carol M. Highsmith; 2009; (DLC/PP-2010... More
![[Second Floor Corridor. Printers' marks+Columns. View of mural showing a compass and protractor between two printers' marks. Library of Congress Thomas Jefferson Building, Washington, D.C.]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjIvc2Vjb25kLWZsb29yLWNvcnJpZG9yLXByaW50ZXJzLW1hcmtzY29sdW1ucy12aWV3LW9mLW11cmFsLXNob3dpbmctYS1jb21wYXNzLWEzNzZiOS0xMDI0LmpwZw%3D%3D/40/37/webp "[Second Floor Corridor. Printers' marks+Columns. View of mural showing a compass and protractor between two printers' marks. Library of Congress Thomas Jefferson Building, Washington, D.C.]")
[Second Floor Corridor. Printers' marks+Columns. View of mural showing...
Forms part of the Library of Congress Series in the Carol M. Highsmith Archive.
![[Occupational portrait of a tinworker (?), half-length, left profile, seated at table with tablecloth, working with a mallet, snips, compass, and metal cylinder]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjYvb2NjdXBhdGlvbmFsLXBvcnRyYWl0LW9mLWEtdGlud29ya2VyLWhhbGYtbGVuZ3RoLWxlZnQtcHJvZmlsZS1zZWF0ZWQtYXQtdGFibGUtYjQ5YmE1LTEwMjQuanBn/40/45/webp "[Occupational portrait of a tinworker (?), half-length, left profile, seated at table with tablecloth, working with a mallet, snips, compass, and metal cylinder]")
[Occupational portrait of a tinworker (?), half-length, left profile, ...
Hallmark: AB MORTLEY, UTICA, N.Y. Case: scroll design. Embossed on cushion of case: Bogardus, 229 Greenwich, N.Y. Purchase/exchange; Gary Vroegindewey; 1981; (DLC/PP-1981:380R.10). Forms part of: Daguerreotype... More
Compendious chart exhibiting, at one view, the names of about thirteen...
"Entered according to Act of Congress the 3rd day of April 1827, by P. Hawkes of the State of Pennsylvania." Includes text, compass rose, and ill. of Capitol. Available also through the Library of Congress Web ... More
Gloucester, Massachusetts. With the light from the compass binnacle il...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Carlisle, Pennsylvania. U.S. Army medical field service school. Army d...
Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Carlisle, Pennsylvania. Medical field service training school. Officer...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
![[Design drawing for stained glass window with Tall ship with full sails and border of compass rose, fish, foliage and blowing Four Winds putti; Brandywine Valley illustration-style]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTcvMDEvMDEvZGVzaWduLWRyYXdpbmctZm9yLXN0YWluZWQtZ2xhc3Mtd2luZG93LXdpdGgtdGFsbC1zaGlwLXdpdGgtZnVsbC1zYWlscy1hbmQtMS0xMDI0LmpwZw%3D%3D/40/53/webp "[Design drawing for stained glass window with Tall ship with full sails and border of compass rose, fish, foliage and blowing Four Winds putti; Brandywine Valley illustration-style]")
[Design drawing for stained glass window with Tall ship with full sail...
Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description
![Drawing compass [with fine point brush]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjAvZHJhd2luZy1jb21wYXNzLXdpdGgtZmluZS1wb2ludC1icnVzaC1jNjgzODUtMTAyNC5qcGc%3D/40/58/webp "Drawing compass [with fine point brush]")
Drawing compass [with fine point brush]
Japanese text appears on the right, outside the image box. Unsigned, possibly by Kano, 1878. From the "Medicine" series. Gift; Mrs. David Murray; 1909. Forms part of: David Murray collection. Forms part of: Ja... More
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Public domain photograph of the United States in the 1930s, portraits, people, events, free to use, no copyright restrictions image - Picryl description
"Captain" Mary Converse, instructing V-7 (candidates for United States...
Picryl description: Public domain image of a political campaign, politician, office meeting, 1930s, mid-20th-century United States, free to use, no copyright restrictions.
Conversion. Watch cases to war production. Volume for victory. His ski...
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.
Conversion. Watch cases to war production. Squaring away for war Produ...
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.
![[Gerhard Mercator, half-length portrait, facing left, holding compass and globe, at age 62]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjYvZ2VyaGFyZC1tZXJjYXRvci1oYWxmLWxlbmd0aC1wb3J0cmFpdC1mYWNpbmctbGVmdC1ob2xkaW5nLWNvbXBhc3MtYW5kLWdsb2JlLTdjYmRkMS0xMDI0LmpwZw%3D%3D/40/49/webp "[Gerhard Mercator, half-length portrait, facing left, holding compass and globe, at age 62]")
[Gerhard Mercator, half-length portrait, facing left, holding compass ...
Illus. in: Atlas sive Cosmographicae meditationes de fabrica mvndi et fabricati figvra. Dvisbvrgi Clivorvm : [1595] Published in: The tradition of technology : Landmarks of Western technology ... / Leonard C. ... More
![[Compass Point, Bude, Cornwall, England] view, photochrome print postcard.](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTAvMTEvY29tcGFzcy1wb2ludC1idWRlLWNvcm53YWxsLWVuZ2xhbmQtYjI4MTZmLTEwMjQuanBn/40/30/webp "[Compass Point, Bude, Cornwall, England] view, photochrome print postcard.")
[Compass Point, Bude, Cornwall, England] view, photochrome print postc...
Title from the Detroit Publishing Co., Catalogue J foreign section, Detroit, Mich. : Detroit Publishing Company, 1905. Print no. "11127". More information about the Photochrom Print Collection is available at h... More
The compass used by John Wilkes Booth when he tried to escape Washingt...
Title, date, and subjects provided by the photographer. Credit line: Carol M. Highsmith's America, Library of Congress, Prints and Photographs Division. Gift and purchase; Carol M. Highsmith; 2009; (DLC/PP-2010... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Conversion. Watch cases to war production. Clearing away for war produ...
Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More
Compasses, odographs, combat acoustics, and sonic deception
Title on half-title page: Summary technical report of the National Defense Research Committee. "Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Col... More