Object Details
maker
Ray, Joseph
Description
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.
Location
Currently not on view
Credit Line
Gift of Ruth D. Ray
date made
1935
ID Number
1979.0853.02
catalog number
1979.0853.02
accession number
1979.0853
Object Name
Polygraph
Measurements
overall: 15 cm x 38 cm x 19 cm; 5 29/32 in x 14 31/32 in x 7 15/32 in
See more items in
Medicine and Science: Mathematics
Teaching Machines
Data Source
National Museum of American History
Subject
Psychology
Link to Original Record
Record ID
nmah_1196289