A compass is an instrument which is used in survey to measure the direction of object. The compass measures the direction of object with reference to magnetic meridian.
There are two types of meridians one is true meridian and other is magnetic meridian.
Table of Contents
True meridian
Magnetic meridian
Types of Compasses
Prismatic compass
Parts of Prismatic compass
Procedure of Survey on…
Compass surveying can be defined as the method of surveying in which the directions of the survey lines is determined by means of a compass and also by using tape or a chain. This measurement is directly done on the surface of the earth. The use of compass as a navigator is…
