![](https://assets.catawiki.com/image/cw_lot_card/plain/assets/catawiki/assets/2024/6/20/1/a/2/1a250d4e-50d0-4066-bd40-12daa61dcdd5.jpg)
Brabantia - 小凳子 (2) - 塑料, 鋼 - 豪華凳子
編號 84419387
編號 84419387
The round logarithmic ruler "KL - 1" is designed to perform mathematical operations of multiplication, division, squaring, taking square roots, finding trigonometric functions of sine, cosine, tangent, as well as inverse trigonometric functions, finding the area of a circle. The set includes a passport with instructions and a box.
Manufacturer: Moscow pilot plant of control devices “Kontrolpribor”.
The ruler is in the original box.
There are instructions in Russian.
Secure shipping with tracking.