

This postcard has been sold
Postcard illustrating three postal scales from the National Postal Museum, used for weighing envelopes to calculate postage rates. The scale in the foreground, with a pan, operates on the principle of the pendulum and could weigh up to 15 pounds, put into service in Alberta in 1925. Bilingual text in English and French. Back: recipient's address to Bell Ewart, Ontario, and Canada 39 postage stamp.