In Johnson's table, the table is levelled by adjusting................................
ABall-and-socket joint
BJewel bearing
CBall and spigot joint
DNone of these
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Size of a theodolite is specified by.................................
In a theodolite the line of collimation and the axis of telescope are
Which of the following is not used in measuring perpendicular offsets
The length of an arrow should be
What is least count in measuring horizontal and vertical angles in theodolite?