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Charles Richardson Pratt Papers, 1860-1935

view Charles Richardson Pratt Papers, 1860-1935 digital asset number 1
Creator:
Pratt, Charles Richardson 1860-1935
Collector:
History of Technology, Division of, NMAH, SI
Mechanical and Civil Engineering, Division of [former name], NMAH, SI
Work and Industry, Division of, NMAH, SI
Subject:
Sprague, Frank J
Physical description:
6 cu. ft.; 13 boxes; 8 oversize folders
Type:
Letterpress books
Collection descriptions
Notebooks
Diaries
Drawings
Trade catalogs
Photographs
Place:
Montclair (NJ)
Date:
1888
1935
1860-1935
19th century
Notes:
Charles Richardson Pratt, mechanical engineer from Montclair, New Jersey, worked with Frank J. Sprague on the development of the first electric elevator capable of heavy duty, high-rise service.
Summary:
These papers contain personal materials of Charles R. Pratt; letterpress copybooks; engineering notebooks; diaries; material relating to the development of the heavy-duty, high-rise electric elevator; material concerning elevator cable equalizers and safety devices, Morton-Jacobsen and other lathe chucks, lathe drives and the Pratt Driver, the hydraulic transmission of power in trucks, and ship steering gear; and studies reports, drawings, photographs, catalogs, and trade literature concering mechanical engineering.
Cite as:
Charles Richardson Pratt Papers, 1888-1931, 1935, Archives Center, National Museum of American History
Topic:
Patents
Mechancial engineering
Inventors
Elevators
Machine-tools
Power transmission
Local number:
2007.3076 (NMAH Acc.)
Data Source:
Archives Center - NMAH

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