Salter letter scale no. 11
This letter scale is made by George Salter & Co. Ltd., West Bromwich, Staffordshire, England. The scale has the number 11 on the dial. The mechanism is according to an old design. It was patented already in January 1867 by John Silvester. This version with plain housing assembled of cast iron parts, was produced since the 1930's. The capacity is 24 ounces, per ¼ ounce a stripe of measure is given. The dial has the English postal rates for letters at the inside of the full circle. This rate of 3D up to 1 ounce, 4½D till 2 oz., 6D till 4 oz and 7½D till 6 oz. was valid in the period October 1 1957 till May 17 1965. Also versions with a round plate exist, the plate of this specimen is flat and rectangled. Besides this enamel dial, also white lackered and beautiful brass versions exist. Below some more pictures of this letter scale.
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