## The Groundwork of Practical Naval Gunnery: A Study of the Principles and Practice of Exterior Ballistics, as Applied to Naval Gunnery, and of the Computation and Use of Ballistic and Range Tables |

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actual altitude angle of departure Answers approximate atmospheric axis ballistic ballistic coefficient becomes cause cent chapter circle colog Column component compute considered constant contained correct corresponding course curve deflection density derived desired determine deviation direction distance effect elevation equal equation error example expression feet Figure flight foot-seconds formulae function give given greater height hits horizontal inclination increase initial velocity integral knots known lateral limits line of fire mean point measured method motion necessary Note obtained origin plane point of fall point of impact position pounds practical probability problem projectile pseudo velocity quantity range table reduced remaining represents resistance scale seconds ship short shot sight space speed standard suppose symbols taken target tion trajectory true vacuum variation vertex vertical wind yards