arithmometer
A metal, gray, rectangular shape. There are three windows on the front panel, a metal bracket with numbers above them, and three moving black markers. At the bottom, there is a black key with numbers; on the left, two, the right one, and the arrow keys on the right. There is a lever on the left of the light metal on the left, on the right side of the two levers and between the handle without the holder. The knives are all rubber round. On the lower plane there are inscriptions: " BK-1 Schetz
Creation time: ХХ век вторая половина
Place of creation: USSR
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