Postal Scale

Astronomy

Accession Number: 2018.ast.79

Description:

This is a medium sized set of analogue weighing scales. It has a metal, beige-painted body with a square silver-coloured weighing platform on top. There are a number of stickers stuck to this and a metal label nailed to one side. Emerging from this box there is a metal rod with engraved graduations along its length, along which a metal indicator can be slid. Beneath this there is a chart mounted on a slanted rectangular backing which indicates the cost of various types of mail, including letters and small packets, if sent to Canada or overseas.

Primary Materials: Metal: Iron Alloy, Plastic, Paper

Markings:

On stickers stuck to the box underneath the weighing platform: “Consumer and Corporate Affairs Consommation et Corporations
WEIGHTS AND MEASURES POIDS ET MESURES
CANADA”

On the metal label attached to the box underneath the weighing platform: “TRINER SCALES
APPROVED T&C NO.
SWA 103
ER 10-11-79
MODEL MK3P
SERIAL 70J498
CAPACITY 1KG
TRINER SCALE & MFG. CO. OF CANADA LTD.
MADE IN CANADA”

On the chart: “MADE IN CANADA FABRIQUE AU CANADA REV. JULY 1, 1979
BETTER PACKAGES/TRINER SCALE MARKHAM, ONTARIO L3R 1E5”

“Code CHTME2P MODEL ME2P”

Dimensions (cm):

Length = 40, Width = 15.5, Height = 17.6

Function:

To directly calculate the cost of sending letters, small packages, and other post to various locations in Canada and overseas.

Condition:

Good: The scale is scuffed and dirty/grimy in places. The weighing platform is rusty across its surface, as is the metal indicator, the graduate rod and other aspects of the metal construction. The paper of the chart is yellowed and has some mild possible water damage on the right side.

Manufacturer: Triner Scale & Manufacturing Company

Date of Manufacture: November 1979, Markham, ON

Provenance:

This object was likely moved from the David Dunlap Observatory in Richmond Hill in 2008, upon the sale of the observatory. It was stored at the Department of Astronomy and Astrophysics until 2017, when it was moved to a new storage location in McLennan Physical Laboratories.