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860) In the surveyor’s telescope used for levelling, the ____ | Quality Question for CE™

860) In the surveyor’s telescope used for levelling, the ______ is a line that passes through the optical centre of the objective and the intersections of crosshairs.

@QQCivil
Anonymous Quiz
6%
Height of instrument
10%
diaphragm
82%
line of collimation
1%
parallax