Cumulative recorder writing device by Ralph Gerbrands Co.

PART OF:
Collection of apparatus used in the teaching of psychology
Made:
1950-1970 in Arlington
Cumulative recorder writing device by Ralph Gerbrands Co

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Cumulative recorder writing device by Ralph Gerbrands Co
Science Museum Group
© The Board of Trustees of the Science Museum

Cumulative recorder writing device by Ralph Gerbrands Co., Massachusetts, United States, 1950-1970

Details

Category:
Psychology, Psychiatry & Anthropometry
Object Number:
1996-277/45
type:
recorder