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This object consists of an instrument covered in a glass dome, fixed to a wooden frame that is likely not original to the object. Inside the glass dome there is a semicircular scale with an indicator arrow. Underneath these pieces the barometer mechanism is visible.

Accession Number:

Alternative Name:

Primary Materials: Glass, Copper Alloy, Iron Alloy, Wood


On a label underneath the dome: “The Laboratory Supply and Scale Co., Chicago”

Dimensions (cm): 28cm x 20cm x 25cm

Function: Measurement of barometric pressure.


Excellent. The wooden frame has sustained a few small scratches. Towards the front of the stand, a patch of the stain is worn or damaged. The interior mechanism of the barometer has been protected by the glass dome and is in perfect condition.

Associated Instruments:


Laboratory Supply & Scale Company, Chicago

Date of Manufacture: 1886-1903


University of Toronto Department of Physics

Additional Information and References:

Historical Notes: