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210 result(s) for
"Charles Richardson Pratt Papers"
Search term: "Charles Richardson Pratt Papers"
Archival Collection
Charles Richardson Pratt Papers
Creator
Pratt, Charles Richardson, 1860-1935
Collector
National Museum of American History (U.S.). Division of History of Technology
National Museum of American History (U.S.). Division of Mechanical and Civil Engineering
National Museum of American History (U.S.). Division of Work and Industry
Names
Sprague, Frank J.
Identifier
NMAH.AC.0958
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Archival Item
US 1,474,911 (elevator equalizer) sketches
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Charles R. Pratt
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
US 1,474,911 (elevator equalizer) correspondence and sketches
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Charles R. Pratt (Boston and Sprague Electric Elevator Company, New York City and Bloomfield, New Jersey)
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Photographs
Collection Creator
Pratt, Charles Richardson, 1860-1935
Identifier
NMAH.AC.0958, Series 6
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Archival Item
Notebooks
Collection Creator
Pratt, Charles Richardson, 1860-1935
Identifier
NMAH.AC.0958, Series 4
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Archival Item
Inventions
Collection Creator
Pratt, Charles Richardson, 1860-1935
Identifier
NMAH.AC.0958, Series 5
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Archival Item
Kelsey Motor Company
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Patent folder of Howson and Howson
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Miscellaneous elevator trade literature
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
US 865,205 (elevator)
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Diaries
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Automobile-related writings
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Cutler Hammer Clutch Company, bulletin 15020
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Park Row Building
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Plates of scale drawings by Pratt
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Letter book
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Diaries
Collection Creator
Pratt, Charles Richardson, 1860-1935
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Archival Item
Campbell, Whittier and Company Works
Collection Creator
Pratt, Charles Richardson, 1860-1935
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