DEVIATION AND THE DEVIASCOPE Including the Practice and Theory of Compass Adjustment

This vgery good plus copy is bound in red cloth covered boards with black titling to the spine and upper board, tight, white, bright and square. There is a small neat pencilled signature to the f.e.p. A dust wrapper is not present. International postal rates are calculated on a book weighing 1 Kilo, in cases where the book weighs less then postage will be reduced accordingly. Where the book weighs more than 1 Kilo increased charges will be quoted. This very rare maritime navigation handbook deals with the practice and theory of compass adjustment, it also as a chapter on the gyro-compass and the Deviascope. The author was the Superintendent of the School of Navigation at the Royal Technical College in Glasgow. Ref D2.