Concise Ruler Circular Slide Rule Stadia 100850 Dedicated Storage Case Included
Concise Ruler Circular Slide Rule Stadia 100850 Dedicated Storage Case Included. 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)? About other area, please ask me.
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