Resulta-BS7 desk top addiator calculator tool P. Bruning 1953 Germany

This fully mechanical desk top calculator can add and subtract and is amongst the smallest of it’s kind. It was manufacture in Berlin, Germany by Paul Brüning. It is called the Resulta BS-7 and is the rare wine read color with full metal housing where later models have plastic parts. It is full working and weights about 1,5 kg. This version 3, Type 2A I from 1953 as scratches on the bottom. On the bottom is also a sticker with Dutch text with very short instructions for proper use. This used desk piece shows clear signs of use and age, adding to the charm and does not distract at all (pun intended), measuring only 8 cm 0r 3 1/4 inches wide (little more with handle).