Polygraph
date: label: date made
content: 1935
name: label: maker
content: Ray, Joseph
notes: label: Description
content: This piece is related to the Ray multitester described at 1979.0853.01. The polygraph is on the right in image 80-16873. It was designed to record responses on the Ray multitester and provided a graphic record that included a time scale in seconds, an error line, and a success line.
label: Location
content: Currently not on view
topic: label: Subject
content: Psychology
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Teaching Machines
creditLine: label: Credit Line
content: Gift of Ruth D. Ray
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.0853.02
label: catalog number
content: 1979.0853.02
label: accession number
content: 1979.0853
objectType: label: Object Name
content: Polygraph
physicalDescription: label: Measurements
content: overall: 15 cm x 38 cm x 19 cm; 5 29/32 in x 14 31/32 in x 7 15/32 in