Documentation on Ray Multitester and Ray Polygraph
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
- 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
- National Museum of American History
- Subject
- Psychology
- Record ID
- nmah_1923241
- Metadata Usage (text)
- CC0
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746b4-94f6-704b-e053-15f76fa0b4fa
