Navigation, Magnetism and Deviation of the Compass A manual for the use of Aerial Navigators
London: Royal Naval Air Service-Air Department, 1917. Octavo, blue papered-boards, iv, 102 pp., illustrated with diagrams, figures, and three folding plates, one index, four maps after index. Slight tear on one leaf with no loss of text, notes written in pencil on the margin, previous owner's inscription on inner front board, a few loose leaves, otherwise a good copy. This manual discusses subjects such as the definitions in aerial navigation and instruments, the position lines, the composition of velocities, drift and tactical problems as well as the aircraft course and distance indicator. It also provides information on magnetism and deviation of the compass, charts and maps and practical aerial navigation. Item #2948
Price (AUD): $80.00