首页 / 官方藏书 / Langley Memoir on Mechanical Flight, Parts I and II / Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911 / RELATION OF AREA TO WEIGHT AND POWER

RELATION OF AREA TO WEIGHT AND POWER

Langley Memoir on Mechanical Flight, Parts I and II / Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911 · S. P. Langley · 第 7 / 77 章