Single Issue Magazine. Zustand: Good. First Edition. 66 pages. Features: Thompson Valves front cover ad commemorates the "Cape Cod" which flew from New York to Istanbul in 1930; Interesting Bell System ad for their Teletypewriters; Interesting Stanavo ad explains how the Sperry automatic pilot recently flew an Eastern Air Transport for twenty minutes at Newark Airport - text with photo of H.A. Elliott of Eastern; Applications of Electricity in Aircraft; Sikorsky's Contributions to the Huge Amphibians - The S-40; Simplicity in Light Plane Design - article illustrated with photo and diagrams, plus power plant and fuel system specs; Simplicity in Light Plane Engine Design; Design of Riveted Joints; Airplane Construction Production Methods; Manufacture of Precision Parts for Aircraft Engines; Two photos of new Boeing bomber which carries a crew of five and two 1,000lb bombs; Centerfold ad celebrates the consolidation of Airway Age with Aviation Engineering; Good Year tire ad includes photo and endorsement from Northwest Airways; Interesting 'Postal Telegraph' ad; Nice illustrated Chance Vought Corporation ad for their Navy Corsairs; Great photo ad for the Autogiro inside back cover; Impressive photo ad for Martin Aircraft on back cover shows some of their impressive manufacturing equipment; Forming of Aluminum Sheet for Aircraft; Servicing Pratt & Whitney Engines; French Design Powerful Water-Cooled Engine; Schneider Cup Engine; many more nostalgic ads. Unmarked with average wear. A sound vintage copy.