A Historical Sketch of the Experimental Determination of the Resistance of the Air to the Motion of Projectiles

ISBN: 9781332520459 出版年:2016 页码:42 Francis Bashforth Forgotten Books

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Gregory made some experiments at Woolwich in 1815 — 18 with a ballistic pendulum weighing 7046 lbs. Chiefly on the effect of windage.

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