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:D
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