What error results for a 20-sec bubble

Reference no: EM131147010

Similar to Problem 4.22, except a 10-sec bubble is off three divisions on a 130-m sight.

Problem 4.22:

An observer fails to check the bubble, and it is off two divisions on a 100-m sight. What error results for a 20-sec bubble?

Reference no: EM131147010

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