Military aeroplanes, simplified, enlarged; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, specifically arranged for the use of aviators and students (1918)
Loening, Grover Cleveland, 1888- · [Boston, W. S. Best printing company] · leaf 174
s connection, it is important to point out that steel has asmarked a grain as wood, only not as easy to see. Steel is always weak-est across the grain. Alloy steels, by various heat treatments, can be made to give variousstrengths, but increased hardness or elastic limit is almost alwaysobtained at…
Airplanes · Aeronautics, Military
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