Question

Which one is more accurate gyro compass or magno compass?

Answer 1

Answer :)

Which one is more accurate gyro compass or magno compass?

Answer 2

Answer:

A circumferentor, or surveyor's compass, is an instrument used in surveying to measure horizontal angles. ... A circumferentor consists of a circular brass box containing a magnetic needle, which moves freely over a brass circle, or compass divided into 360 degrees.