Surveying is the art of determining the relative positions of points that are on, above, or beneath the earth’s surface using linear or angular measurements.In...

Levelling is the art of determining the relative heights of various points on the surface of the earth. It is the branch of surveying that deals with the...

What is Plane Table Surveying?Plane table surveying is a graphical method of surveying in which both the observations and plotting of stations are done...

What is a levelling staff?A levelling staff is a straight, rectangular wooden or aluminum rod having graduations imprinted on them. The foot of the...

There are two main instruments used in the levelling process. They are a level and a levelling staff. Let’s learn about levels in detail. What is a level? A...