Description
Condition: New
Concise Ruler Circular Slide Rule Stadia 100850
A slide rule for engineers, equipped with a SIN/COS/COS square rule for stadia surveying, and capable of calculating elevation differences and horizontal distances. ○ Back side: Percentage gradient calculation for general multiplication and division and trigonometric functions and allidart fractionation. ○Scale: D・SIN COS, COS2 (front) ・D・C, S, T, ST, L (back) ○Exclusive storage case included
Payment
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Returns
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