letter scale

This letter scale of Pelouze has a capacity of 4 Pounds, subdivided per ounce. The chart shows the rates for merchandise, letters, books and papers. The letter rate of 2c per ounce was valid in the period July 1 1919 till July 6 1932. The bottom of the scale shows 4 patent dates. They belong successively to the American patents: US561,309; US601,273; US722,618 en US729,207. More detailed information is given at the star and the crescent, two smaller letter scales of Pelouze. At the union, also made by Pelouze, some of the same patent dates are given. The figures below, of the patent from March 29 1898 of W.N. Pelouze, show the spring suspension described in the patent US601,273. Below some more pictures of this letter scale.