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Charles Frederick Marvin, Chief, Weather Bureau, 1913. Creator: Harris & Ewing.
 
Charles Frederick Marvin, Chief, Weather Bureau, 1913. Creator: Harris & Ewing.
 
Charles Frederick Marvin, Chief, Weather Bureau, 1913. Creator: Harris & Ewing.
 
Charles Frederick Marvin, Chief, Weather Bureau, 1913. Creator: Harris & Ewing.
 
Mergenthaler, Ottmar, 2nd Linotype Machine with Band, Invented By Him; 3rd Design He..., 1917. Creator: Harris & Ewing.
 
Mountaineers - Mountain Women, 1913. Creator: Harris & Ewing.
 
Mountaineers - Mountain Women, 1913. Creator: Harris & Ewing.
 
Curtiss Biplane 2 Engines, with Floats..., 1917. Creator: Harris & Ewing.
 
Curtiss Biplane 2 Engines, with Floats..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Biplane 2 Engines, with Floats, Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Aero Coast Patrol Commn. - Curtiss Hydroaeroplane or Flying Boat Exhibited..., 1917. Creator: Harris & Ewing.
 
National Geographical [sic] Society - Anniversary of Bell Telephone, 1916. Creator: Harris & Ewing.
 
National Guard of D.C. - Field Tactics, 1915. Creator: Harris & Ewing.
 
Panama Canal, 1913. Creator: Harris & Ewing.
 
Panama Canal, 1913. Creator: Harris & Ewing.
 
Panama Canal, 1913. Creator: Harris & Ewing.
 
Panama Canal, 1913. Creator: Harris & Ewing.
 
Panama Canal, 1904. Creator: Harris & Ewing.
 
Photographer with Large Format Camera, 1914. Creator: Harris & Ewing.
 
Bureau of Reclamation - Arrowcock [sic] Dam, Boise, Idaho; Showing Tunnel..., 1912. Creator: Harris & Ewing.
 
Reclamation, Bureau Of - Big Men in U.S. Reclamation Service: A.P. Davis, Chief Engineer..., 1912. Creator: Harris & Ewing.
 
Bureau of Reclamation - Shoshone Dam, Wyoming, Highest in World, 1912. Creator: Harris & Ewing.
 
Bureau of Reclamation - Truckee-Carson Project, Nevada; Canal Carrying Truckee River To..., 1912. Creator: Harris & Ewing.
 
Richardson Tandem Biplane Hydroplane on Potomac, April, 1916.  Creator: Harris & Ewing.
 
Richardson Tandem Biplane Hydroplane Taking Off On Potomac, April, 1916. Creator: Harris & Ewing.
 
Roosevelt Dam, Arizona - Salt River Project of Bureau of Reclamation, Dedication Scene, 1912. Creator: Harris & Ewing.
 
Seal of The United States - Stamping Bonds, 1917. Creator: Harris & Ewing.
 
Seal of The United States at State Department, 1917. Creator: Harris & Ewing.
 
Seal of The United States at State Department, 1917. Creator: Harris & Ewing.
 
Seal of The United States at State Department, 1914. Creator: Harris & Ewing.
 
Target Practice - Range Finder at Work, 1913. Creator: Unknown.
 
Target Practice - Range Finding Device, 1913. Creator: Unknown.
 
Target Practice - Torpedo, 1913. Creator: Unknown.
 
Target Practice - Torpedoes, 1913. Creator: Unknown.
 
Woman On Bicycle, 1917 or 1918. Creator: Unknown.
 
Granville T. Woods, 1887. Creator: Unknown.
 
'Pistolet telephotographique des Aviateurs allemands; l'appareil vu du cote droit', 1916. Creator: Unknown.
 
'Pistolet telephotographique des Aviateurs allemands; Cote gauche de l'appareil', 1916. Creator: Unknown.
 
''"Modern Goths"; Amateur Photographers at work in the Court of Lions, in the Alhambra, Granada' ,18 Creator: Edwin Buckman.
 
''The Graphic, Front Cover Saturday, September 19, 1891', 1891. Creator: Robert Barnes.
 
"More New Quays (The Royal Albert Docks Will Obtain a Stretch Almost a Mile Long)"', 1937. Creator: Fox.
 
'All Things Requisite for a Neat Job of Cargo Lifting" Loading Cars for Export', 1937. Creator: Fox.
 
"Goods of Whatever Sort Find Here the Appropriate Facilities for Unloading, Storage and..., 1937. Creator: J Dixon-Scott.
 
'Bridesmaid at Duke of Kent's Wedding - 29th November, 1934', 1947. Creator: Unknown.
 
'Broadcasting to the Children of the Empire - 13th October, 1940', 1947. Creator: Unknown.
 
'Wartime at Windsor', 1941, (1947).  Creator: Unknown.
 
'Answering Birthday Greetings - 1944', 1947. Creator: Unknown.
 
'The Naval Manoeuvres - with the Northern Fleet; Searching the Forth Road Bridge', 1891. Creator: Unknown.
 
''Professor Myers' Air Bicycle', 1891. Creator: Unknown.
 
Minidoka Project - U.S. Reclamation Bureau. Minidoka Dam, One Mile Long...Idaho, 1912 Creator: Harris & Ewing.
 
Panama Canal, 1913. Creator: Harris & Ewing.
 
Post Office Department - Mailbags, 1913. Creator: Harris & Ewing.