These lines are termed Stadia Lines or Stadia Hairs. When used with an Engineering Grade Rod, the distance from the instrument to the rod can be determined quickly by subtracting the bottom stadia reading from the top reading and multiplying the difference by 100.
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What is the distance of a stadia?
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Sep 27, 2020 · The distance to the rod is the product of the rod interval and the instrument's stadia multiplier, k, Equation D-1. Equation D-1. The multiplier ...