Interval Timer

Psychology

Accession Number: 2011.psy.20

Instrument Name: Interval Timer

Description:

Rectangular interval timer that uses minutes as time increments. The object has a display with a black background, a knob for moving the hands. It has two small levers on the right hand side and a winding button on the back. The duration required is set by the knob in the centre of the dial, up to 120 minutes, in minute divisions, at 10 minutes per revolution.

Alternative Name:

Primary Materials: Metal, Plastic

Markings:

Manufacturing label engraved on the back: “English English Clock Systems, A branch of the Clock and Watch Division of S. Smith and Sons (England) Ltd.” U of T label on the side “Department of Psychology Research Equipment No. 2070 C78, University of Toronto.”

Dimensions (cm): Height = 11.5, Width = 3, Length = 12

Function:

Count-down timer, sounding a bell at the end of the timing period.

Condition:

Good condition; Scratches on the metal case; Peeling label on the left side.

Associated Instruments:

Manufacturer:

English English Clock Systems, A branch of the Clock and Watch Division of S. Smith and Sons (England) Ltd.

Date of Manufacture:

Provenance:

Dept of Psychology, U of T. Removed from Psych storage on Oct 5, 2011.

Donated to UTSIC: No

Historical Notes:

In 1939 the company called STS (Synchro Time Systems Limited) became the English Clock Systems Limited.
(need citation)