Polygraph
date: label: date made
content: ca 1950
name: label: maker
content: B & W Associates
notes: label: Description
content: One inscription on this polygraph reads “REACTION / CENTER / B & W LIE DETECTOR / ELECTRONIC PSYCHOMETER / Manufactured by B & W Associates / SOLE DISTRIBUTORS: SIRCHIE FINGER PRINT LABORATORIES / Philadelphia 7, Pa, USA.” Another reads “B & W ASSOCIATES / MICHIGAN CITY, INDIANA, USA / U.S. PAT. NO. 2,535,249 / SENSITIVITY / ELECTRODES / MICRO-CENTER / CENTER / VOLTS 115 / AMPS 3 / FREQ 60 / MODEL 740 / SERIAL 7451.”
label: Description
content: Ref: Paul L. Wilhelm and Frank Donald Burns, “Electric Psychometer,” U.S. Patent 2,535,249 (Dec. 26, 1950).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: American Polygraph Association
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.321642.04
label: catalog number
content: 321642.04
label: accession number
content: 321642
label: model number
content: 740
label: serial number
content: 7451
label: patent number
content: 2535249
objectType: label: Object Name
content: Polygraph
label: Other Terms
content: Polygraph; Lie Detector; Medicine
physicalDescription: label: Physical Description
content: wood (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 27 cm x 31 cm x 19.1 cm; 10 5/8 in x 12 3/16 in x 7 1/2 in