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Stop Clock


A slate-blue electrical stop clock with a digital display. The instrument has three buttons on the front: “On/Off”, “Reset”, and “.001/.01”. There are also two electrical connectors on the front. Attached to one of these is a yellow cable with yellow plastic ends. In addition, the instrument has two knobs at the back, one marked ‘reset’ and the other marked ‘fuse’.

Accession Number: 2011.psy.22

Alternative Name:

Primary Materials: metal; plastic


There is a manufacturer’s label on the back: “Lafayette Instrument Co., Lafayette, Indiana; Model No. 54030; Serial No. 176872; Voltage 120; Freq. 60; Watts 5. There is an Ontario Hydro electrical approval label on the back. There is a University of Toronto label on the back: “Department of Psychology Research Equipment No. 2585 TB87, University of Toronto.”

Dimensions (cm):

Height = 11, Width = 16.5, Length = 15.5

Function: Measures time

Condition: Excellent

Associated Instruments: 2011.psy.21


Lafayette Instrument Co., Lafayette, Indiana, U.S.A.

Date of Manufacture:


Department of Psychology, University of Toronto. Removed from psychology storage October 5, 2011.

Additional Information and References:

Historical Notes:

Company was founded in 1947 by Max Wastl.
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