Brunsviga 13RK - Calculator - 1950-1960

Brunsviga 13 RK, a classic German mechanical pinwheel calculator (arithmometer) produced since the 1950s by Brunsviga Maschinen-Werke. These devices were valued for exceptional precision, durability, and innovative design, which allowed performing the four basic mathematical operations by means of a manual crank. This model is characterized by a distinctive olive- or green-colored case, mechanical setting levers, and an advanced function for clearing the registers and backward transfer (Rückübertragung), which significantly facilitated performing complex, multi-step calculations. The machine is in very good condition of preservation. Courier shipping.