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Q&A What are these numbers on the back of a pocket transit for?

They constitute a sine table for (0 - 45) degrees. Trigonometry: rise = slope distance * sine (inclination angle) Example: You observe a slope length of 50m, and an elevation angle of 10°. The...

posted 8y ago by Martin F‭  ·  last activity 8y ago by System‭

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