_Which of the following is not the function of levelling head ?$? – McqOptions

MCQOPTIONS

1.	_Which of the following is not the function of levelling head ?$?
A.	to support the main part of the instrument
B.	to attach the theodolite to the tripod
C.	to provide a means for leveling the theodolite
D.	none of the above
Answer» E.

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