What is a Principle of Compass Surveying?
The principle of a survey is traversing, that is consisting of a series of connected lines the bearing of the lines is measured by a prismatic compass and the linear dimensions are measured by a chain survey. As the name suggests, a prismatic compass has a prism for taking observation reading preciously. Also, prismatic compasses are portable magnetic compasses that can be either used as a fit on the tripod stand or hand instrument.