Search Results

1106pages,66,304results in your"" Searchfor"Science & Nature"- Refine your search withAdvanced Search
Current Lightbox
Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing
 
Life Saving Suit Worn By T. Aud, 1916. Creator: Harris & Ewing
 
J.D. Long, Medical Director, Public Health Service, 1923. Creator: Harris & Ewing
 
Machine Gun Board of War Department - Tracy Dixon, Brig. Gen. Todd, Newton D. Baker..., 1917. Creator: Harris & Ewing
 
Leonard D. Mahon with steel helmet he invented that could be used as shovel, 1917. Creator: Harris & Ewing
 
Leonard D.Mahon with Steel Helmet He Invented That Could Be Used As Shovel, 1917. Creator: Harris & Ewing
 
Mrs. Van H. Manning, U.S. Bureau of Mines, Left, Mine Rescue Methods, 1917. Creator: Harris & Ewing
 
Marine Corps Rifle Range, Lewis Machine Gun Tests, 1917. Creator: Harris & Ewing
 
Marine Corps Rifle Range, Winthrop, Md. - Gen. Barnett Testing Colt's Automatic Machine Gun, 1917. Creator: Harris & Ewing
 
Marine Corps Rifle Range, Winthrop, Md. - Gen. Barnett Testing Colt's Automatic Machine Gun, 1917. Creator: Harris & Ewing
 
Marine Corps Rifle Range, Winthrop, Md. - Gen. Barnett Testing Colt's Automatic Machine Gun, 1917. Creator: Harris & Ewing
 
Thomas Riley Marshall, Vice President of The United States, 1914. Creator: Harris & Ewing
 
Dr. Franklin H. Martin of Chicago, Regent And Secretary General, American College of Surgeons, 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
 
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, at Desk, 1916. Creator: Harris & Ewing
 
Mergenthaler, Ottmar, 2nd Linotype Machine with Band, Invented By Him; 3rd Design He..., 1917. Creator: Harris & Ewing
 
Bureau Of Mines, Mine Rescue Methods, 1917. Creator: Harris & Ewing
 
Minidoka Project - U.S. Reclamation Bureau. Minidoka Desert in 1905, Before Irrigation, 1912. 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
 
Owen, F.D. Public Buildings And Grounds Custodian of The Flags, Left, Planting Tree, Presid..., 1913 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
 
Rodney, Army Horse in Cuban War, Retired at Fort Myer, 1916. Creator: Harris & Ewing
 
Roosevelt Dam, Arizona - Salt River Project of Bureau of Reclamation, Dedication Scene, 1912. Creator: Harris & Ewing
 
Theodore Roosevelt - Cartoon About The River of Doubt 1914. Creator: Unknown
 
J. W. Scollick of Smithsonian Institute, 1916. 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
 
Storm Damage, 1913. Creator: Harris & Ewing