1 หนังสืออิเล็กทรอนิกส์โดย S. P. Langley
Charles M. Manly & S. P. Langley: Langley Memoir on Mechanical Flight, Parts I and II – 1911 – Illustrated
The present volume on Mechanical Flight consists, as the title-page indicates, of two parts. The first, dealing with the long and notable series of early experiments with small models, was written al …
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