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Level:
series
Collection ID:
Record Unit 9531
Repository:
Smithsonian Institution Archives

Interviewees in this series contributed in various roles to the refinement of plutonium 239 isotope at the Hanford Engineer Works in the state of Washington. In January of 1943, General Groves chose the site for construction of three full-scale plutonium piles for the mass production of plutonium 239--an isotope for the chain reaction ...

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Level:
series
Collection ID:
Record Unit 9531
Repository:
Smithsonian Institution Archives

Interviewees in this collection contributed in various roles to the refinement of uranium 235 isotope at the Clinton Engineer Works in Oak Ridge, Tennessee. Built concurrently with the Hanford Reservation, the Clinton complex was designed for continued research and the refinement of the fissionable isotope uranium 235 from uranium 238. ...

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Creators:
Manhattan Project (U.S.)
Dates:
1987-1990
Size:
29 videotapes (Reference copies). 75 digital .wmv files and .rm files (Reference copies).
Collection ID:
Record Unit 9531
Repository:
Smithsonian Institution Archives

The Smithsonian Videohistory Program, funded by the Alfred P. Sloan Foundation from 1986 until 1992, used video in historical research. Additional collections have been added since the grant project ended. Videohistory uses the video camera as a historical research tool to record moving visual information. Video works best in historical r...

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Dates:
1903 - 1954
Level:
subseries
Collection ID:
NMAH.AC.0320
Repository:
Archives Center, National Museum of American History

While some of the MACHINERY RECORDS, 1903-1954, relate to the engines and boilers used to keep the factory running, most deal with the machines used to turn out finished ivory keys, piano keyboards, and piano actions. These take the form of a series of oversize blueprint drawings on each machine. The drawings are arranged according to their origi...

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Creators:
James Cunningham, Son and Company (Rochester, New York)
Dates:
1908-1964
bulk 1908-1929
Size:
10 Cubic feet (18 boxes)
Collection ID:
NMAH.AC.1193
Repository:
Archives Center, National Museum of American History

The collection consists of glass plate negatives and photographic prints of the glass plate negatives depicting horse-drawn hearses (funeral wagons), carriages, and ambulances and motorized vehicles produced by James Cunningham, Son and Company from approximately 1908 to 1929. The majority of the glass plates and photographic prints depict horse-drawn hearses, but there are some motorized vehicles.

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Creators:
Bergman, Harry M.
Kahn family
Kahn, Kimberly
Dates:
1926-1957
Size:
3 Cubic feet (5 document boxes )
Collection ID:
NMAH.AC.0722
Repository:
Archives Center, National Museum of American History

A collection of films shot by Harry B. Bergman documenting Bergman's New York City, New York construction firm Godwin Construction Company. Films document construction of landmark buildings such as The Chrysler Building, New York Port Authority and others. Films also document company "beefsteaks", and Bergman's numerous vacations and pursuits.

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Creators:
Safko, Lon S.
Dates:
1984 - 1996
Size:
12.6 Cubic feet (34 boxes)
Collection ID:
NMAH.AC.0911
Repository:
Archives Center, National Museum of American History

The records of Safko International, Inc., document an assistive computer technology company created by Lon S. Safko to produce and sell the environmental control systems he invented for the physically disabled, specifically quadriplegics. Through the use of a computer and alternative input devices, the physically disabled were able to overcome physical barriers which inhibited them from attaining an autonomous lifestyle.

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