Magnetic Compass Deviation and Correction table runner Author: Jan-Willem Polman

Author: Jan-Willem Polman

Edition  25 June 2022

hunted with a spear gun

Burnett River (Southern Section) 1:10 000

Magnetic Compass Deviation and Correction table runner Author: Jan-Willem PolmanIn addition to dealing with the properties of magnets and the earths magnetism, three chapters are devoted to the magnetism of the ship, the third explaining in detail the reason for, and composition of, the nine rods. The relation of the components P, Q and R are the rods to the various co efficient are fully explained. The principle of the deflator and a discussion of the limits of accuracy are also included, together with a great deal of hitherto