New Principles of Gunnery: Containing the Determination of the Force of Gunpowder, and Investigation of the Difference in the Resisting Power of the Air to Swift Ad Slow Motions. ... By Benjamin Robins, ... with an Account of His Life and Writings, by James Wilson, M. DF. Wingrave, in the Strand, 1805 |
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24 pounder acquire action actual range air's resistance angle appears artillery assigned augmented avoirdupois axis ball barrel Benjamin Robins bullet in powder cannon charge of powder circumstances computed consequently considerable deflection deflexion degree density determined diameter diminished distance elastic fluid elevation evince examination experiments explosion feet fired powder flame flight follows fome force fuch given greater greatest gunnery gunpowder hath heat hence hitherto hyperbola impelled inches increased John Bernoulli Journal des Sçavans length less Lord Anson manner MAXIM medium ments method motion moving nearly Newton observed parabola pendulum penetration piece potential random pound of powder principles produced projectiles PROP proportion proposition quan quantity of powder ratio resisted body rifled Robins Robins's rockets saltpetre SCHOLIUM shell shot Sir Isaac Sir Isaac Newton sufficient supposed thefe thence theory thereby tion Toises treatise trials velo velocity weight whence yards