Agate cap is fitted with a_________________?
A negative declination shows that the magnetic meridian is to the________________?
Which of the following errors cannot be eliminated by taking both face observations ?
In the double application of principle of reversion, the apparent error is_______________?
If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will_________________?
A’level line’is a______________?
The rise and fall method of levelling provides a complete check on_______________?
In an internal focussing type of telescope, the lens provided is_______________?
The error due to eccentricity of inner and outer axes can be eliminated by________________?
The adjustment of horizontal cross hair is required particularly when the instrument is used for_____________?