non-fictionOverview of routine & special applications. No publication date stated, but looks to be around late 1930s /early 1940saircraft markings & signals, air traffic control, routine test piloting, world altitude records, towing a poster, professional parachute jumping, charter flying, the test pilot's routine, choosing the aerodrome site, night flying, air records, flying float planes, handling of all type of seaplaness afloat, the autogiro, mountain flying, the air ambulance, piloting flying boats & amphibians, air work in canada, desert flying, joy riding, flying over un-mapped country, ferry flying, helicopters, the freelance test pilot, aircraft carriers, effect of topographyu & weather on commercial airliners, magnetic disturbance, meteorological flights, high altitude flying, flying multi engined aircraft, k

A type of hot water bottle carried by aircraft pilots and crew to keep themselves warm whilst flying at high altitudes. The bottle is made of Aluminium and was carried in a pocket of their flying suit.