1516 records — Page 1 of 152
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Level:
file
Collection ID:
NMAH.AC.0069
Repository:
Archives Center, National Museum of American History
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Collection ID:
NMAH.AC.0523
Repository:
Archives Center, National Museum of American History
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Collection ID:
NMAH.AC.0315
Repository:
Archives Center, National Museum of American History
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Collection ID:
NMAH.AC.0005
Repository:
Archives Center, National Museum of American History
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Collection ID:
AAA.franrehg
Repository:
Archives of American Art

Spiller, Mortimer Spiro, Harry Spivack, S. S. Spook Farm Gallery Sprague, Mrs. Frank J. Spreckles, Mrs. Adolph Spreter, R. S. Sprinchorn, Carl Springfield Art Museum (Mo.) Springfield Museum of Fine Arts (Mass.) Springold, N. B. Springville High School Art Association

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Creators:
Mechanical and Civil Engineering, Division of [former name], NMAH, SI.
History of Technology, Division of, NMAH, SI
Pratt, Charles Richardson, 1860-1935
Work and Industry, Division of, NMAH, SI
More …
Dates:
1860-1935
bulk 1910-1924
Size:
6 Cubic feet (13 boxes, 8 oversize folders)
Collection ID:
NMAH.AC.0958
Repository:
Archives Center, National Museum of American History

The papers document the professional career of mechanical engineer, Charles Richardson Pratt. The papers include correspondence, patents, patent application materials, agreements, photographs, publications, and blueprints for many of Pratt's inventions, especially his work on elevators.

Found In
1516 records — Page 1 of 152