5 photos

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• Member[s] of the experimental staff at the North American Aviation, Inc., plant, observe wind tunnel tests on an accurate scale model of the B-25 ("Billy Mitchell") bomber, Inglewood, Calif. This plant produces the battle-tested B-25 bomber, used in Gener

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 107 favorites
  • 57,111 views
  • Date taken: 1939
  • Date uploaded: 2008-01-09
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpfsac1a35316, xmlns:dc=httppurlorgdcelements11, wwii, b25, testing, wood, experiment, peering, model, suit, pink, 1940s, suits, ties, pointycollar, vintage, slidefilm, 4x5, largeformat, lf, transparency, transparencies, worldwarii, worldwar2, ww2, america, unitedstatesofamerica, usa, us, hair, hairstyles, engineer, engneers, windtunnel, aerodynamics, alfredtpalmer, alfredpalmer, wartime, war, military, 1942, inglewood, inglewoodca, california, northamericanaviation, october, october1942, experimental, test, testers, observers, mitchel, scalemodel, airplane, plane, aerodynamic, science, window, threepeople, watch, watching, interest, develop, pinksuit, threesome, trio, wing, fuselage, propeller, dark, prototype, na62, mitchell, naa
  • Visibility: public
• An experimental scale model of the B-25 plane is prepared for wind tunnel tests in the plant of North American Aviation, Inc., Inglewood, Calif. This plant produced the B-25 bomber (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 1 comment
  • 27 favorites
  • 40,359 views
  • Date taken: 1939
  • Date uploaded: 2008-01-09
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpfsac1a35317, xmlns:dc=httppurlorgdcelements11, wwii, b25, testing, wood, experiment, measuring, model, apron, man, vintage, slidefilm, 4x5, largeformat, lf, transparency, transparencies, worldwarii, worldwar2, ww2, america, unitedstatesofamerica, usa, us, alfredtpalmer, alfredpalmer, wartime, war, military, 1942, inglewood, inglewoodca, california, northamericanaviation, october, october1942, scalemodel, preparation, preparing, engineer, twinengine, mitchell, windtunnel, plane, builder, professionalportrait, b25modelairplane, twinengineaircraft, windtunnelmodel, modelaircraft, modelairplane
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• Identified! [Daniel W. Kessler of the National Bureau of Standards with device used to test slabs of marble over long periods of time] ? (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 15 comments
  • 35 favorites
  • 22,812 views
  • Date taken: 1925
  • Date uploaded: 2015-10-02
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnphec45047, xmlns:dc=httppurlorgdcelements11, danielwkessler, bureauofstandards, dwkessler, stone, testing, apparatususedformakinglongperiodscrubbingtestsonmarble, mysterysolved
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• Dr. Heath injects serum [rabbit] (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 5 comments
  • 8 favorites
  • 10,355 views
  • Date taken: 1910
  • Date uploaded: 2008-12-12
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain12505, xmlns:dc=httppurlorgdcelements11, research, serum, drheath, laboratory, tuberculosis, georgemheath, microscope, labcoats, 26345rabbitanimaltestingmicroscope, rabbit, test, testing, animal
  • Visibility: public
• Testing Naval Recruits (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 1 comment
  • 5 favorites
  • 7,810 views
  • Date uploaded: 2011-04-29
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain16512, xmlns:dc=httppurlorgdcelements11, unitedstatesnavy, usnavy, usn, recruits, physicalexamination, physical, medical, military, testing, barechested, shirtless, uniform, radiator
  • Visibility: public