25931 records — Page 324 of 2594
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Dates:
1903 - 1915
Level:
series
Collection ID:
NMAH.AC.0985
Repository:
Archives Center, National Museum of American History

This series consists of calculation books maintained by engineers working on engine designs. The books are bound, paginated, and signed and dated. The books are arranged numerically and in some instances, have a specific title such as valve gears.

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Dates:
1899-1918
Level:
file
Collection ID:
NMAH.AC.0974
Repository:
Archives Center, National Museum of American History
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Dates:
1919
Level:
file
Collection ID:
NMAH.AC.0880
Repository:
Archives Center, National Museum of American History
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Dates:
1913 August 1914
Level:
file
Collection ID:
NMAH.AC.0880
Repository:
Archives Center, National Museum of American History
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Dates:
1928-1930
Level:
file
Collection ID:
NMAH.AC.0955
Repository:
Archives Center, National Museum of American History
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Dates:
1928-1930
Level:
file
Collection ID:
NMAH.AC.0955
Repository:
Archives Center, National Museum of American History
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Dates:
undated
Level:
series
Collection ID:
NMAH.AC.0976
Repository:
Archives Center, National Museum of American History

Thius series consists of lantern slides (3" x 4") depicting images of bridges as well as elevations, graphs, maps, plans, and aerial views of bridges. The series is arranged alphabetically by name of bridge.

25931 records — Page 324 of 2594