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Keeler Polygraph

Keeler Polygraph

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Location
Currently not on view
Object Name
Polygraph
maker
Western Electro-Mechanical Co., Inc
place made
United States: California, Oakland
Physical Description
wood (overall material)
plastic (overall material)
metal (overall material)
paper (overall material)
Measurements
overall: 28.5 cm x 45.4 cm x 24.4 cm; 11 1/4 in x 17 7/8 in x 9 5/8 in
ID Number
MG.321642.02
catalog number
321642.02
accession number
321642
patent number
1788434
Credit Line
American Polygraph Association
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History
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