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Underwater Thermometer


This piece consists of a clear plastic box with a black sliding temperature scale. The scale can be moved so that a window cut into the clear box indicates a range of temperatures from 0 to 100. On one end of the sliding black piece is a vent, which contains bits of soil and plant matter.

Accession Number: 2016.zoo.57

Alternative Name: Maximum and Minimum Thermometer

Primary Materials: Plastic, Metal


On the bottom part of the black plastic: “Minimum Maximum Taylor Sybron”
On the temperature scale: 0-100 in 20-degree intervals. A second scale beside it reads: 0-40 in 10-degree intervals.
Written in marker on the clear plastic: “5 5 5”. On the bottom surface: “5”.

Dimensions (cm): Length = 23, Width = 11.7, Height = 3.5


This instrument measures or indicates temperatures in a lake or other body of water.


Good. The piece is caked with soil and plant matter.

Associated Instruments:

Manufacturer: Taylor Sybron

Date of Manufacture:


University of Toronto Department of Zoology. This object was collect in November 2016 from the laboratory of Dr. Harold Harvey in rm 419 of the Ramsay Wright Zoological Laboratories.

Additional Information and References:

Historical Notes:


  • Donated to UTSIC