Deviation and the Deviascope, including the practice and theory of Compass Adjustment, also a Note on the Gyro-Compass

Discusses the effect of the magnetism of a steel ship on the ship's compass.xi, 228 pages illustrations (some color) 22 cm. xi, 228 pages illustrations (some color) 22 cmSixth Edition, Reprinted. xi, 228 pages illustrations (some color), folding plates; 22 cm. Book is bright, clean and unmarked excepting a name in ink to the ffep. Tight binding, sound hinges. Slight wear to the red cloth at the tips of the corners. The dustjacket is nearly complete, missing a piece at the foot of the spine and showing two external tape repairs to the front panel. NB - Postal Rates shown by ABE are often incorrect and are vague estimates NOT guaranteed rates. We use Canada Post, the United States Postal Service and Asendia and try to offer very competitive postal charges - based on actual costs, no overcharging. Images are available. Shipped well packed. USA postage is usually $6.90 - $9.00 unless extra heavy/large. Canadian postage varies considerably depending on weight and destination. Postage to anywhere within Canada, can now be approx US$16.00 for weights up to 5kg total - boxed, insured, trackable and faster than regular parcels. Less will be charged if rates indicate. NOW available - new, considerably lower Trans-Canada rates for many major markets, and, new, considerably lower rates for Overseas destinations. Size: 8vo - over 7¾ - 9¾" tall.…