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Blood Gas Test Apparatus


This piece consists of a clear acrylic rectangular body encasing two tubes, each marked with a scale. One tube runs the entire length of the rectangular body and is marked from 0 to 100 at 10-unit intervals. The second tube is enclosed at both ends, one of which contains a reservoir of mercury. This tube is marked from 0 to 50 in intervals of 10 degrees Celsius.

A small lever on a spring can be pressed to raise or lower an arm at one end of the acrylic body. This arm presses against a metal dial that in turn is affixed to the first tube. The entire instrument is set on four rubber feet adhered to the bottom surface.

Accession Number: 2016.zoo.60

Alternative Name:

Primary Materials: Acrylic, metal, mercury, rubber


On the first tube: “0-100” in 10-unit intervals.
On the second tube: “0-50 C” in intervals of 10 degrees.

Dimensions (cm): Length = 23, Width= 4,5, Height = 3.5

Function: To measure gases in blood.


Good. The rubber is somewhat corroded and there is dust and scratching on the acrylic body.

Associated Instruments:

Manufacturer: Harold Harvey

Date of Manufacture:


This object was collected from the laboratory of Dr. Harold Harvey in room 419 in the Ramsey Wright Zoology Laboratories at the University of Toronto, in November 2016.

Additional Information and References:

Historical Notes:


  • Donated to UTSIC