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Walter S. Gifford, between 1914 and 1918. Creator: Harris & Ewing.
 
Walter S. Gifford, between 1914 and 1918. Creator: Harris & Ewing.
 
Armored car, between 1916 and 1918. Creator: Harris & Ewing.
 
Seaplane, demonstration, between 1910 and 1920. Creator: Harris & Ewing.
 
Long rag washer, between 1912 and 1917. Creator: Harris & Ewing.
 
Long rag washer, between 1912 and 1917. Creator: Harris & Ewing.
 
Champ Clark, between 1910 and 1920. Creator: Harris & Ewing.
 
H & E photographer, between 1910 and 1920. Creator: Harris & Ewing.
 
Cartouches trouvées les 25 et 26 Août, 1914..., between 1910 and 1920. Creator: Harris & Ewing.
 
Radio towers, between 1910 and 1920. Creator: Harris & Ewing.
 
General view left side with gun in firing position, between 1910 and 1920. Creator: Harris & Ewing.
 
Capt. Buzzcott's army kitchen, between 1910 and 1920. Creator: Harris & Ewing.
 
Riggs Bldg. Post Office, between 1910 and 1920. Creator: Harris & Ewing.
 
Food Garden Commission, between 1910 and 1920. Creator: Harris & Ewing.
 
Miss Josephine Patton; Mrs. C.C. Marsh; Mrs. George D. Widener, between 1910 and 1920. Creator: Harris & Ewing.
 
Mrs. E. Seawell & Mrs. H. Rogers, between 1910 and 1920. Creator: Harris & Ewing.
 
Mrs. Evans Seawell & Mrs. Henry Rogers, between 1910 and 1920. Creator: Harris & Ewing.
 
Mrs. H.H. Rogers, between 1910 and 1920. Creator: Harris & Ewing.
 
Mrs. Ball and group at Hamilton Hotel, between 1910 and 1920. Creator: Harris & Ewing.
 
Russell T. Edward, between 1910 and 1920. Creator: Harris & Ewing.
 
Evelyn Moran, between 1910 and 1920. Creator: Harris & Ewing.
 
Evelyn Moran, between 1910 and 1920. Creator: Harris & Ewing.
 
Training Division, between 1910 and 1920. Creator: Harris & Ewing.
 
Mrs. Chester Bolton, between 1910 and 1920. Creator: Harris & Ewing.
 
Model airplane, between 1910 and 1920. Creator: Harris & Ewing.
 
Radio, between 1910 and 1920. Creator: Harris & Ewing.
 
Radio, between 1910 and 1920. Creator: Harris & Ewing.
 
Radio, between 1910 and 1920. Creator: Harris & Ewing.
 
Radio, 1919.  Creator: Harris & Ewing.
 
Home Economics Section, between 1910 and 1920. Creator: Harris & Ewing.
 
Home Economics Section, between 1910 and 1920. Creator: Harris & Ewing.
 
P.O. Dept., between 1910 and 1920. Creator: Harris & Ewing.
 
P.O. Dept., between 1910 and 1920. Creator: Harris & Ewing.
 
P.O. Dept., between 1910 and 1920. Creator: Harris & Ewing.
 
P.O. Dept., between 1910 and 1920. Creator: Harris & Ewing.
 
Bureau of Mines, Dept. of Int., between 1910 and 1920. Creator: Harris & Ewing.
 
Interior Dept. - Bureau of Mines, between 1910 and 1920. Creator: Harris & Ewing.
 
Bureau of Mines Interior Dept., between 1910 and 1920. Creator: Harris & Ewing.
 
Bureau of Mines, low temperature laboratories, between 1905 and 1945. Creator: Harris & Ewing.
 
Curtiss Airplane - Tests of Curtiss Plane For Army, General Views, 1912. Creator: Harris & Ewing.
 
Curtiss Airplane - Tests of Curtiss Plane For Army, General Views, 1912. Creator: Harris & Ewing.
 
Curtiss Airplane - J.A.D. McCurdy, Aviator, 1912. Creator: Harris & Ewing.
 
Curtiss Airplane - Tests of Curtiss Plane For Army, 1912. Creator: Harris & Ewing.
 
Anthony Jannus, Flights And Tests of Rex Smith Plane Flown By Jannus - Tests, 1912. Creator: Harris & Ewing.
 
Anthony Jannus - Flights And Tests of Rex Smith Plane Flown By Jannus. The Plane, 1912. Creator: Harris & Ewing.
 
Anthony Jannus - Flights And Tests of Rex Smith Plane Flown By Jannus. The Plane, 1912. Creator: Harris & Ewing.
 
Flights And Tests of Rex Smith Plane Flown By Anthony Jannus - The Plane with Rufus R..., 1912. Creator: Harris & Ewing.
 
Senorita Lenore Riviero [sic] with Anthony Jannus; In Rex Smith Aeroplane, 1912. Creator: Harris & Ewing.
 
Flights And Tests of Rex Smith Plane Flown By Anthony Jannus; in plane with Miss Laura Merriam, 1912 Creator: Harris & Ewing.
 
Flights And Tests of Rex Smith Plane Flown By Anthony Jannus; in plane with Miss Laura Merriam, 1912 Creator: Harris & Ewing.
 
Anthony Jannus, Flights And Tests of Rex Smith Plane Flown By Jannus - Flights of Plane, 1912. Creator: Harris & Ewing.
 
Anthony Jannus, Flights And Tests of Rex Smith Plane Flown By Jannus - Flights of Plane, 1912. Creator: Harris & Ewing.
 
Anthony Jannus, Flights And Tests of Rex Smith Plane Flown By Jannus - Flights of Plane, 1912. Creator: Harris & Ewing.
 
Anthony Jannus, Flights And Tests of Rex Smith Plane Flown By Jannus - Flights of Plane, 1912. Creator: Harris & Ewing.
 
Anthony Jannus, Flights And Tests of Rex Smith Plane Flown By Jannus - Flights of Plane, 1912. Creator: Harris & Ewing.
 
Atwood, Harry. Aviator. Rising From White House Lawn In Wright Type B Plane, July, 1911. Creator: Harris & Ewing.
 
Wright Brothers Airplane, Etc - Harry Atwood, 1911. Creator: Harris & Ewing.
 
Aviator Harry Atwood, in Plane with Leo Stevens, 1911. Creator: Harris & Ewing.
 
Wright Brothers Airplane, Etc - Harry Atwood, 1911. Creator: Harris & Ewing.
 
Paul Peck, Commercial Aviator - In Curtiss Type Plane; College Park, 1911. Creator: Harris & Ewing.