Vintage Victor mechanical hand-crank adding machine 500 Series with 10 columns

Vintage Victor mechanical hand-crank adding machine 500 Series with 10 columns. Victor Adding Machine Co. was established in Chicago in 1918. The first Victor adding machine, the Model 110, was introduced in 1919. The 500 Series was introudcued in 1931. This machine has serial number 380978. Some of (but not all) the buttons still work, and the crank is operational as well and calculates the total with the ten numbers at the front. The housing has signs of wear and oxidation. The ink ribbon has dried up. The photographs are a part of the description. Dimensions: 46cm (L) x 36cm (W) x 24cm (H) (incl. paper roll and crank) Weight: 16kg