Magnetic Compass Deviation and Correction Orleans Edition:18 Sept 2020

Edition:18 Sept 2020

*Each piece is handmade and will vary slightly in size

Universal mounting - can be installed at any angle or position - vertical

please let me know and I am only too happy to customise the Knot Drop for you

Magnetic Compass Deviation and Correction Orleans Edition:18 Sept 2020In 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