Description: Hello dear friends! Please see my lots. If you have any questions please contact me. I will be glad to help you!USSR Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator 1969. Ruler in vintage working condition, have traces of age, stains, scratches, chips. . Circular logarithmic slide rule "KL-1" is intended for solving the most occurred mathematical operations. Calculations of circle square and finding of trigonometric functions of a sine. Finding of trigonometric functions of a tangent. Finding inverse trigonometric functions (of sines and tangents). Calculation of the area of a circle. The logarithmic rule consists of the body with two knobs, two clock faces, one of which is going round by means of a knob with black point, and two arrows going round by means of a knob with red point. Please see the photo is what you get. We ship to worldwide. Delivery by registered airmail from Uzbekistan 1-3 working days after receipt of payment. Delivery from Uzbekistan is 2-8 weeks to any country. I send goods only by registered mail.All parcels are tracked. We give you the track number and attach a photo invoice about the payment in the postal offise.
Price: 40 USD
Location: Tashkent
End Time: 2025-01-25T19:00:41.000Z
Shipping Cost: 12.5 USD
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All returns accepted: ReturnsNotAccepted
Featured Refinements: Circular Slide Rule
