儀器 - The circular logarithmic ruler "KL - 1". USSR - 塑料, 金屬 - 1960-1970
編號 83236853
已出售
最終出價
€ 30
2 週前
儀器 - The circular logarithmic ruler "KL - 1". USSR - 塑料, 金屬 - 1960-1970
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”. Moscow, 1966.
The ruler is in the original box. There is an instruction in russian. The box is damaged. It can be seen in the photo.
Secure shipping with tracking.
編號 83236853
已出售
儀器 - The circular logarithmic ruler "KL - 1". USSR - 塑料, 金屬 - 1960-1970
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”. Moscow, 1966.
The ruler is in the original box. There is an instruction in russian. The box is damaged. It can be seen in the photo.
Secure shipping with tracking.
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