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2006-08-21 21:52:46 · 3 answers · asked by like a mustardseed 1 in Science & Mathematics Engineering

3 answers

It's one of the two main methods of recording and working out heights (reduced levels) in a level survey. The other method is called height of collimation.

2006-08-21 22:50:23 · answer #1 · answered by cordefr 7 · 0 0

In what field?????

2006-08-22 05:32:01 · answer #2 · answered by just "JR" 7 · 0 0

what are you talking about?

2006-08-22 14:54:31 · answer #3 · answered by tiger 2 · 0 0

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