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Archival materials (1513)
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Hammer, William J. (William Joseph), 1858-1934 (electrical engineer) (276)
Mechanical and Civil Engineering, Division of [former name], NMAH, SI. (186)
History of Technology, Division of, NMAH, SI (176)
Bellanca, Giuseppe M. (127)
Greene, Stephen (117)
Lockwood Greene Engineers, Incorporated (117)
Lockwood, Amos (117)
Lockwood-Greene Company (117)
Whitman, David (117)
Elisofon, Eliot (81)
Garden Club of America (81)
Princeton University (81)
Nutt, Arthur (76)
Underwood & Underwood (63)
Electricity and Modern Physics, Division of, NMAH, SI. (54)
Greenleaf, James L. (46)
Olmsted Brothers (43)
Delano & Aldrich (40)
Hutcheson, Martha Brookes (40)
Olmsted, Frederick Law (40)
Platt, Charles A. (Charles Adams) (40)
Pratt, Harold Irving (40)
Delano, William Adams (38)
Babb, Cook & Willard (36)
North Country Garden Club of Long Island (35)
Gorlia, Emile E.O. (33)
Harris, Nancy H. (33)
Baltimore and Ohio Railroad Company (30)
Engineering and Industry, Division of, NMAH, SI. (30)
Garrett, John W. (John Work) (30)
Latrobe, Benj. H. (Benjamin Henry) (30)
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Horseshoe Curve National Historic Landmark (Pa.) (3)
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archival repository
National Air and Space Museum Archives (602)
Archives Center, National Museum of American History (598)
Eliot Elisofon Photographic Archives, National Museum of African Art (127)
Archives of American Gardens (99)
Smithsonian Institution Archives (38)
Archives of American Art (30)
Anacostia Community Museum Archives (8)
Freer Gallery of Art and Arthur M. Sackler Gallery Archives (8)
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National Museum of the American Indian (1)
Smithsonian Libraries (1)
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(1850)
All
(73238)
Digital
(1513)
Images (1468)
Electronic resource (39)
Sound recordings (6)
Query:
engineering
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Photographs, Curtiss aircraft engines
Photographs, Curtiss aircraft engines
Photographs, Curtiss aircraft engines
Photographs, Curtiss aircraft engines
Photographs, Curtiss aircraft engines
Photographs, Curtiss aircraft engines
Photographs, Curtiss R-6 aircraft engine (dirigible)
Photographs, Curtiss Conqueror aircraft engine
Photographs, Packard Motor Car Company aircraft engine facilities
Photographs, Packard Motor Car Company turbofan aircraft engines
Photographs, Packard Motor Car Company XJ-41 aircraft engine
Photographs, Lycoming, LTC1A aircraft engine
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