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Curtiss Airplane Tests And Demonstrations; Twin Engine Biplane, Potomac Park, 1916. Creator: Harris & Ewing.
 
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2-958-440
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park - Daniels And Gen. Barnett, 1917. Creator: Harris & Ewing.
 
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2-958-444
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park - Daniels And Gen. Barnett, 1917. Creator: Harris & Ewing.
 
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2-958-445
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-446
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-447
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-448
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-449
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-450
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-451
Marine Corps, U.S.N. Machine Gun Unit Demonstration at Ball Park, 1917. Creator: Harris & Ewing.
 
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2-958-452
Pan American Scientific Congress - Costa Rican Deln.; Guillermo E. Gonzales And Joaquin F..., 1915. Creator: Harris & Ewing.
 
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2-958-453
Pan American Scientific Congress - Costa Rican Group: Eduardo J. Pinto, Chairman; Felipe..., 1915. Creator: Harris & Ewing.
 
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Pan American Scientific Congress - Ladies Who Were Aides at The Congress. Seated Front..., 1915. Creator: Harris & Ewing.
 
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General William Tecumseh Sherman, U.S.A., (1913). Creator: Unknown.
 
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Inconvénient de tirer les perdreaux ..., 19th century. Creator: Honore Daumier.
 
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Impressions et compressions de voyage, 19th century. Creator: Honore Daumier.
 
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Archimède démontrant aux ingènieurs anglais ..., 19th century. Creator: Honore Daumier.
 
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Eh! bien en regardant ce tableau, 19th century. Creator: Honore Daumier.
 
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Ah! mon ami, comme cette cheminée fume ..., 19th century. Creator: Honore Daumier.
 
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Les Parisiens ayant trouvé le moyen de circuler ..., 19th century. Creator: Honore Daumier.
 
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Le portrait au daguéréotype, 19th century. Creator: Honore Daumier.
 
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Un divertissement qui ne passe jamais de mode, 19th century. Creator: Honore Daumier.
 
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En ballon captif, 1867. Creator: Honore Daumier.
 
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Robert Crosser, Rep. from Ohio, Right, with T.K. Giragossian, 1917. Creator: Harris & Ewing.
 
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2-952-154
Culebra Cut - View at Base of Gold Hill, Showing Basaltic Columns Developed By Steam Shovel, 1913. Creator: Harris & Ewing.
 
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2-952-164
Culebra Cut, Culebra - Gang of 150 Men Shifting Track By Hand, January 1912. Creator: Harris & Ewing.
 
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2-952-165
Curtiss Airplane - Curtiss Hydroaeroplane, or Flying Boat Exhibited at House Office Building, 1917. Creator: Harris & Ewing.
 
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2-952-173
Curtiss Airplane - Type R. Plane, 1916. Creator: Harris & Ewing.
 
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Langley Medal presented to aviator Glenn Hammond Curtiss, 1913. Creator: Harris & Ewing.
 
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2-952-175
District of Columbia - Fire Alarm Box And Policeman, 1913. Creator: Harris & Ewing.
 
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Sue Dorsey, 1918. Creator: Harris & Ewing.
 
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Sue Dorsey, 1918. Creator: Harris & Ewing.
 
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William Cushing Edes, Civil Engineer; Chairman, Alaskan Engineering Commission, 1914. Creator: Harris & Ewing.
 
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2-952-259
Federal Taxicab Garage, 1914. Creator: Harris & Ewing.
 
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2-952-278
Ernest George Fischer, Chief of Instrument Division, Coastal Geodetic Survey, 1914. Creator: Harris & Ewing.
 
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2-952-297
Ford Tractor, 1917. Creator: Harris & Ewing.
 
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Ford Tractor, 1917. Creator: Harris & Ewing.
 
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2-952-317
Fort McHenry, 1914. Creator: Harris & Ewing.
 
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Fort McHenry, Cement Gun Used in Building Camp, 1917. Creator: Harris & Ewing.
 
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2-952-328
Fort McHenry, Cement Gun Used in Building Camp, 1917. Creator: Harris & Ewing.
 
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2-952-329
Miss Elizabeth Funk, 1917. Creator: Harris & Ewing.
 
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General view from temporary tower on north end of approach wall looking south..., July 18, 1913. Creator: Harris & Ewing.
 
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2-952-376
T.K. Giragossian, 1917. Creator: Harris & Ewing.
 
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2-952-395
Gunnison River Project...Canal Under 2000 Feet Water To Uncomphagre [sic] Valley..., 1912. Creator: Harris & Ewing.
 
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2-952-431
Hargrave Box Kite, Airplane Target at Fortress Monroe; Modified Hargrave Box Kite, Incorp..., 1917. Creator: Harris & Ewing.
 
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2-952-450
House Office Building - Telephone Exchange, 1912. Creator: Harris & Ewing.
 
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2-952-490
Hydraulic Excavation, Miraflores - Monitors in Oberation [sic], December 21, 1910. Creator: Harris & Ewing.
 
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2-952-511
Dr. Howard A. Kelly, Radium Expert of Baltimore, 1914. Creator: Harris & Ewing.
 
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2-952-571
Langley Field, Va. - Curtis Jn4D Plane, with Olmstead Propeller And Ackerman Wheels, 1917. Creator: Harris & Ewing.
 
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Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing.
 
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Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing.
 
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2-952-606
Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing.
 
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2-952-607
Life Saving Suit Worn By T. Aud, 1916. Creator: Harris & Ewing.
 
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Machine Gun Board of War Department - Tracy Dixon, Brig. Gen. Todd, Newton D. Baker..., 1917. Creator: Harris & Ewing.
 
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2-952-636
Leonard D. Mahon with steel helmet he invented that could be used as shovel, 1917. Creator: Harris & Ewing.
 
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2-952-643
Leonard D.Mahon with Steel Helmet He Invented That Could Be Used As Shovel, 1917. Creator: Harris & Ewing.
 
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2-952-644
Marine Corps Rifle Range, Lewis Machine Gun Tests, 1917. Creator: Harris & Ewing.
 
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Marine Corps Rifle Range, Winthrop, Md. - Gen. Barnett Testing Colt's Automatic Machine Gun, 1917. Creator: Harris & Ewing.
 
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2-952-660
Marine Corps Rifle Range, Winthrop, Md. - Gen. Barnett Testing Colt's Automatic Machine Gun, 1917. Creator: Harris & Ewing.
 
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2-952-661
Marine Corps Rifle Range, Winthrop, Md. - Gen. Barnett Testing Colt's Automatic Machine Gun, 1917. Creator: Harris & Ewing.
 
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2-952-662
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