25931 records — Page 1442 of 2594
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Dates:
1872 - 1920
Level:
series
Collection ID:
NMAH.AC.0958
Repository:
Archives Center, National Museum of American History

This series consists of both incoming and outgoing correspondence written by Pratt. The correspondence is almost exclusively work-related and is both handwritten and typescript. Additional correspondence about Pratt's work can be found in Series 5: Inventions, 1860-1927. There is one folder of personal correspondence with letter to his wife, Mar...

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Dates:
1878 - 1929
Level:
series
Collection ID:
NMAH.AC.0958
Repository:
Archives Center, National Museum of American History

The drawings consist primarily of blueprints for many of Pratt's inventions. Also included are some pencil and ink drawings.

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Dates:
1932 - 1932
1934 - 1935
1875 - 1875
1907 - 1907
1915 - 1915
Level:
series
Collection ID:
NMAH.AC.0958
Repository:
Archives Center, National Museum of American History

This series contains materials relating to Pratt's personal life such as membership cards, materials about his interest in golf and an 1875 publication titled The Budget which Pratt edited at the age of 15. A photograph of the young Pratt is included.

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Dates:
1956-1957
Level:
file
Collection ID:
NMAH.AC.0954
Repository:
Archives Center, National Museum of American History

Contains photographs and budget information, lists final costs of materials and labor for this section.

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Dates:
1889 - 1889
1880 - 1880
1900 - 1900
Level:
series
Collection ID:
NMAH.AC.0958
Repository:
Archives Center, National Museum of American History

This series consists of bound notebooks, arranged chronologically, belonging to Charles R. Pratt. The notebooks contain sketches, calculations, data, and other notes primarily related to elevator development and other inventive pursuits.

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Dates:
undated
Level:
file
Collection ID:
NMAH.AC.0958
Repository:
Archives Center, National Museum of American History

Notebook consists of drawing alterations.

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Dates:
1907 February 16
Level:
file
Size:
1 glass negative
Collection ID:
NMAH.AC.1093
Repository:
Archives Center, National Museum of American History
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Dates:
undated
Level:
file
Size:
1 glass negative
Collection ID:
NMAH.AC.1093
Repository:
Archives Center, National Museum of American History
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Dates:
1906 December 5
Level:
file
Size:
1 glass negative
Collection ID:
NMAH.AC.1093
Repository:
Archives Center, National Museum of American History
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Dates:
1907 January 15
Level:
file
Size:
1 glass negative
Collection ID:
NMAH.AC.1093
Repository:
Archives Center, National Museum of American History
25931 records — Page 1442 of 2594