Arnould GalopinLivre Rare Book
Aviation Engineering (Magazine), February (Feb.) 1933 - Dr. Adolf K. Rohrbach's Rotary Airfoil System
32 pages. Features: Front cover Thompson Valves ad salutes Inter-Island Airways which serves the Hawaiian Islands; The Paddle Wheel (Rotary) Airfoil System of Dr. Adolf K. Rohrbach of Berlin - illustrated article with photo; Water Tight Compartments of Flying Boat Hulls; Variation of rate of Climb with Altitude; New Planes and Engines - Curtiss Condor, Longren Biplane, Northrup Monoplane, Wright Whirlwind R-1510; General Crocco Discusses Hydro-Aviation; Effect of Gap Between Stabilizer and Elevator; The Decibel; Facilitating the Handling of Cargo; Operating Wrinkles on United; Airway Versus Railway; Aircraft Control Wheels; Pan-American to buy giant flying boats from Sikorsky (S-40) and the Glenn L. Martin Co. (artist's rendering); Industry News; New Products; Book Reviews; Racon Electric Co. ad on back cover shows their 9 Unit airplane horn used to direct the landing of the "Akron"; and more. Unmarked with average wear. A sound vintage copy. Book
RareNonFiction.com · Ladysmith, CA199,95 €
