Object Details
Description
Included here are:
1. A folder of letters and typescripts relating to a U.S. patent application and patent of the psychologist Joseph J. Ray. The patent for an “educational device”, applied for in 1937, was issued May 2, 1939 as #2157058. Compare 1979.0853.01, the Ray Multitester.
2. Materials sent to J.J. Ray relating to the Institute of American Inventors, about 1939.
3. A folder of biographical materials relating to J. J. Ray
4. Correspondence and publications sent to Ray relating to test scoring equipment and to his patent applications 1935-1937 – includes a leaflet on IBM’s International Test Scorer
5. Materials relating to the possibility of patenting Ray’s polygraph, 1936.
6. Negatives of parts of Ray machines.
7. Notes and drawings of J.J. Ray, about 1920-1935.
For related objects, see the rest of accession 1979.0853 as well as accession 1985.0815.
Location
Currently not on view
Credit Line
Gift of Ruth D. Ray
date made
1930s
1935-1939
ID Number
1979.0853.03
catalog number
1979.0853.03
accession number
1979.0853
Object Name
documentation
Physical Description
paper (overall material)
Measurements
overall: 10 1/2 in x 16 in x 2 1/2 in; 26.67 cm x 40.64 cm x 6.35 cm
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_1923241