Surveying
The line of collimation method of reduction of levels, does not provide a check on

Reduced levels
Fore sights
Intermediate sights
Back sights

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Surveying
The prismatic compass and surveyor’s compass

both give WCB of a line
give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give QB of a line
both give QB of a line and WCB of a line

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