Download or read book Magnetic Compass Deviation and Correction written by W. Denne and published by Sheridan House Incorporated. This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In addition to dealing with the properties of magnets and the earth's 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 and the rods to the various coefficients are fully explained.