Fighting Planes of the World, by Talbot-Booth, Sargent, 2nd Ed., 1940 North American Aviation lower or upper from 100-400

lower or upper from 100-400 MPH

195 hour reserve

This valve was used to regulate the vacuum pressure between its source (either an externally-mounted venturi tube

The presentation includes a to-from window with sense indication displayed when the aircraft is on or near the selected radial and a vertical pointer for all navigational services

Fighting Planes of the World, by Talbot-Booth, Sargent, 2nd Ed., 1940 North American Aviation lower or upper from 100-400This small but comprehensive reference book contains over 600 pages of information on the state of military aircraft as of 1940. It is written primarily from the perspective of the British Royal Air Forces. The first ~200 pages describe various aspects of air services. The remaining pages describe the aircraft of each nation's air services, 2 pages per aircraft. The book describes several very rare aircraft of the era, including experimental. The book