No. 105461565

Sold
Kontrolpribor - 電卓 - 1968年 - 円形対数尺 KL-1 ソ連
Final bid
€ 64
No reserve price
2 h ago

Kontrolpribor - 電卓 - 1968年 - 円形対数尺 KL-1 ソ連

Francisco Álvarez
Expert

Selected by Francisco Álvarez
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 and Measuring Instruments "Kontrolprilad". The set includes a ruler, a box and instructions in Russian. The box and instructions are damaged.

No. 105461565

Sold
Kontrolpribor - 電卓 - 1968年 - 円形対数尺 KL-1 ソ連

Kontrolpribor - 電卓 - 1968年 - 円形対数尺 KL-1 ソ連

Translate to English
Will be translated by Google Translate

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 and Measuring Instruments "Kontrolprilad".

The set includes a ruler, a box and instructions in Russian.

The box and instructions are damaged.

Final bid
€ 64
No reserve price
Francisco Álvarez
Expert
Selected by Francisco Álvarez
Estimate € 80 - € 120

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