![](https://assets.catawiki.com/image/cw_lot_card/plain/assets/catawiki/assets/2024/6/22/5/d/f/5dfa8023-be87-4f89-a2d1-ef21f535c257.jpg)
WI EN - 制表匠工具 老式 - 手表消磁器
编号 84419387
编号 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.