Thank you very much for visiting my listing page. Concise ruler circular slide rule Stadia calculator 100850 It is a slide rule for engineers who is equipped with SIN/COS/COS square measure for stadia survey and can perform height difference and horizontal distance calculation. Back side: General multiplication and division and trigonometric functions and percent gradient calculation for alidate fractionation.

Scale: D, SIN COS, COS2 (square) (front) / D, C, C', S, T1, T2, ST (back) Special storage case, instruction manual included Size diameter approx. 96mm Main Material: PVC Made in Japan. The item "Concise ruler circular slide rule Stadia calculator 100850" is in sale since Saturday, November 28, 2020. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "pheasant004" and is located in Japan.This item can be shipped worldwide.

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