N. 99707551
Venduto

Offerta finale
€ 40
3 settimane fa
Kontrolpribor - Calcolatrice - anni '60 - Righello logaritmico circolare KL-1 URSS
Circular logarithmic ruler "KL - 1" is designed to perform mathematical operations of multiplication, division, squaring, obtaining the square root, finding the trigonometric functions of sine, cosine, tangent, as well as inverse trigonometric functions, finding the area of a circle.
Manufacturer: Moscow Scientific and Industrial Plant of Control Instruments "Kontrolpribor".
The set includes a ruler, a box and instructions in Russian.
The ruler is in excellent condition. The box is damaged.
N. 99707551
Venduto

Kontrolpribor - Calcolatrice - anni '60 - Righello logaritmico circolare KL-1 URSS
Circular logarithmic ruler "KL - 1" is designed to perform mathematical operations of multiplication, division, squaring, obtaining the square root, finding the trigonometric functions of sine, cosine, tangent, as well as inverse trigonometric functions, finding the area of a circle.
Manufacturer: Moscow Scientific and Industrial Plant of Control Instruments "Kontrolpribor".
The set includes a ruler, a box and instructions in Russian.
The ruler is in excellent condition. The box is damaged.
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