Documentation for Ray's Multitester and Polygraph
date: label: date made
content: 1935
name: label: maker
content: Ray, Joseph J.
notes: label: Description
content: These marerials relate to Joseph J. Ray's work on teaching machines.
label: Description
content: For a related acquisition, see 1979.0853. See 1985.0815 and 1981.0248 as well.
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: 1981.0248.09
label: catalog number
content: 1981.0248.09
label: accession number
content: 1981.0248
objectType: label: Object Name
content: sheets
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 28 cm x 21.5 cm; 11 1/32 in x 8 15/32 in