Vintage Soviet circular slide rule KL-1 USSR Calculator Mathematical instrument
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Vintage Russian Circular Slide Rule! It was made in 1960s by the Moscow control devices for the Ministry of Instrumentation of the USSR. Overall SLIDE RULE condition is very good for it's age - please, check the actual photo! «KL-1» is intended for implementation most of often meetings in practice mathematical operations. Extraction of a square root.Finding of trigonometric functions of a sine. Conversion values, such as currencies, distances, weight. Finding of trigonometric functions of a tangent. Finding inverse trigonometric functions (of sines and tangents). Calculation of the area of a circle.
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The item "Vintage Soviet circular slide rule KL-1 USSR Calculator Mathematical instrument" is in sale since Tuesday, June 15, 2021. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "yagol_36" and is located in Kharkov.
This item can be shipped worldwide.- Featured Refinements: Circular Slide Rule
- Country/Region of Manufacture: Russian Federation