Addiator Duplex - Calculator - 1940-1950 - Mechanical calculator

Addiator Duplex mechanical calculator in steel, 20 x 10 x 2 cm, 100 g, dating from circa 1940–1950, in good condition with age-related wear, in working order, Vintage style, includes original black case and original metal stylus, with one side for additions and one for subtractions. Width: 20 cm. Height: 10 cm. Era: 1900-2000. Condition: Good condition - used with small signs of aging & blemishes.