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On-off module
Date: circa 1959
Inventory Number: WJ0963
Classification: Switch
Subject:
User: B. F. Skinner (1904 - 1990)
Maker: Department of Psychology, Harvard University (founded 1934)
Cultural Region:
Place of Origin:
Dimensions:
17.9 × 6.5 × 4.9 cm (7 1/16 × 2 9/16 × 1 15/16 in.)
Description:
A metal toggle switch is mounted over a red light in a black panel module. Currently mounted in instrument rack (WJ1011).
Signedunsigned
FunctionThis module is an on-off swtich. It switched on the power supply that provided provided 28 volt DC current to the power bars on the instrument rack, thereby powering all the deviced mounted onto the rack..
Historical AttributesUsed in B. F. Skinner's laboratory in the basement of Memorial Hall at Harvard University as part of his experiments on operant conditioning and behavioral psychology. This was part of Skinner's third experimental set-up.
ProvenanceB. F. Skinner's laboratory, Memorial Hall, Department of Psychology, Harvard University.