Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)
Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 56
rapidlydeveloped into a science well worthy of a SherlockHolmes. Changes in the position of shadows, suspiciouslysudden growths of underbrush, changes in the directionof paths, and fresh mounds of earth all have a definitemeaning to the photographic expert. In the navy the aeroplane has proved of… … Fig. 9. Types of Aeroplane Bombs. The Tail Surfaces Guide the Bomb SoThat It Strikes on the Firing Pin and at the Same Time Safetiesthe Bomb So That it Will Not Explode Until it Has Fallen for SomeDistance. In Falling, the Tail Blades Rotate and Release the FiringMechanism After the Bomb Has Fallen…
Airplanes
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
