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Army, U.S. Motor Truck Inspection, 1917. Creator: Harris & Ewing
 
Army, U.S. Motor Truck Inspection, 1917. Creator: Harris & Ewing
 
Army, U.S. Rifle Tests, 1918. Creator: Harris & Ewing
 
Army, U.S. Rifle Tests, 1918. Creator: Harris & Ewing
 
Army, U.S. Rifle Tests, 1918. Creator: Harris & Ewing
 
T. Aud in Life Saving Suit, 1916. Creator: Harris & Ewing
 
Balloons - Capt. Thomas S. Baldwin, N.A., Who Built Dirigible Balloon..., 1914. Creator: Harris & Ewing
 
Maj. Gen. George Barnett, Commandant, U.S.M.C. Marine Corps Rifle Range; Inspecting..., 1917. Creator: Harris & Ewing
 
Baseball, Professional - Score Board; Star Building, 1917. Creator: Harris & Ewing
 
The Blind, Interiors of Library - Institute of The Blind, 1912. Creator: Harris & Ewing
 
The Blind, Interiors of Library - Institute of The Blind, 1912. Creator: Harris & Ewing
 
Bobroff Voting Machine - Being Considered For Use In House, Standing Right To Left: Reps..., 1917. Creator: Harris & Ewing
 
U.S. Capitol - Cleaning Exterior, 1913. Creator: Harris & Ewing
 
U.S. Capitol - Pediment On House Front; Sculpture By Paul Bartlett, 1916. Creator: Harris & Ewing
 
U.S. Capitol - Pediment On House Front; Sculpture By Paul Bartlett, 1916. Creator: Harris & Ewing
 
U.S. Capitol - Pediment On House Front; Sculpture By Paul Bartlett, 1916. Creator: Harris & Ewing
 
U.S. Capitol - Pediment On House Front; Sculpture By Paul Bartlett, 1916. Creator: Harris & Ewing
 
Army Aviation, College Park - Aviator 2nd Lt. Harry Graham, U.S.Army Inf., 1912. Creator: Harris & Ewing
 
Army Aviation, College Park Aviation Field, 2nd Season - Lt. H. Geiger, Lt. T. Dew. Milling, 1912. Creator: Harris & Ewing
 
Army Aviation - College Park Aviation Field, 2nd Season - Lt. Harry Graham, 1912. Creator: Harris & Ewing
 
Army Aviation, College Park - Tests of Curtiss Plane For Army - Single Control, 1912. Creator: Harris & Ewing
 
Aviation, Navy - Commodore J.C. Gillmore In Curtiss Headless Plane, Dual Control..., 1912. Creator: Harris & Ewing
 
Lieutenant Franklin Kennedy, U.S.A., Aviator - In Curtiss Dual Control Airplane...Maryland, 1912. Creator: Harris & Ewing
 
Army Aviation, College Park Aviation Field, 2nd Season - Capt. F.B. Hennessy, Curtiss Plane, 1912. Creator: Harris & Ewing
 
Army Aviation, College Park Aviation Field, 2nd Season - Wright Biplane, Type B..., 1912. Creator: Harris & Ewing
 
Post office Department - Motor Cycle Postman, 1912. Creator: Harris & Ewing
 
Miss Bernetta Miller, Moissant [sic] Aviatrix - In Bleriot Plane, 1911. Creator: Harris & Ewing
 
Miss Bernetta Miller, Moissant [sic] - Famous French Aeronautic Family, 1911. Creator: Harris & Ewing
 
Puerto Rico. Int. of New And Old Sugar Mills, 1912. Creator: Harris & Ewing
 
Philippines, 1912. Creator: Harris & Ewing
 
Monorail Subway, Capitol To Senate - Man Who Installed System, 1912. Creator: Harris & Ewing
 
Monorail Subway, Capitol To Senate - Man Who Installed System, 1912. Creator: Harris & Ewing
 
Monorail Subway, Capitol To Senate Monorail System, 1912. Creator: Harris & Ewing
 
Lieutenant Theodore G. Ellyson, U.S.Navy, Testing Seaplane On Potomac, 1911. Creator: Harris & Ewing
 
Lieutenant Theodore G. Ellyson, U.S.Navy, Testing Seaplane On Potomac, 1911. Creator: Harris & Ewing
 
Lieutenant Theodore G. Ellyson, U.S.Navy, Testing Seaplane On Potomac, 1911. Creator: Harris & Ewing
 
Lieutenant Theodore G. Ellyson, U.S.Navy, Testing Seaplane On Potomac, 1911. Creator: Harris & Ewing
 
Lieutenant Theodore G. Ellyson, U.S.Navy, Testing Seaplane On Potomac, 1911. Creator: Harris & Ewing
 
Finger Printing, J.S. Taylor At Bureau of Finger Print, Navy Department, 1912. Creator: Harris & Ewing
 
Finger Printing, Records From Finger Print Bureau, Navy Department, 1912. Creator: Harris & Ewing
 
Government Printing office - Views, 1912. Creator: Harris & Ewing
 
Bureau of Engraving And Printing - Treasury Department, 1912. Creator: Harris & Ewing
 
Portrait of Ɖdouard Branly (1844-1940), physicist, c1920. Creator: Unknown
 
The Great Western Railway New Terminus, at Paddington, 1854. Creator: Unknown
 
Siege Operations at Chatham - Springing a Mine, 1854. Creator: Unknown
 
Opening of the North Devon Railway - Arrival of the Train at Barnstaple, 1854. Creator: Unknown
 
"The Volcano" steam-sloop fitted as a floating factory for the Baltic, 1854. Creator: Unknown
 
Steam-ships of the Allied Fleet searching for Infernal Machines off Cronstadt..., 1854. Creator: Unknown
 
H.M. Screw Gun-Vessel "Wrangler", built for the Baltic, 1854. Creator: Unknown
 
Laying down the Mediterranean Electric Telegraph Cable at Spezia, 1854. Creator: Unknown
 
Billingsgate New Market, 1854. Creator: Unknown
 
Rustchuk - Bridge of Boats in Course of Construction, 1854. Creator: Unknown
 
Ploughing in France, 1854. Creator: Unknown
 
The Lizard Serpentine Signal-Staff Quarry, near Cadgwith, Cornwall, 1854. Creator: Unknown
 
Lancaster's Oval Cannon, 1854. Creator: Unknown
 
An Indian Railway Station, 1854. Creator: Unknown
 
The New Victoria Dock Works, Plaistow Marshes, 1854. Creator: Unknown
 
Brazilian Sugar-Mill, 1854. Creator: Unknown
 
The new Screw Steamer "Barwon", 1854. Creator: Unknown
 
Gaselier in St. George's Hall, Liverpool, 1854. Creator: Unknown