Caption: War Publications - WWI Compilation 1923 - Article 46
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OUTLINE Sec. A: Simple applications of trigonometry (without use of the "mil")—The trajectory Properties of the ballistic curve; influence of air resistance Definitions connected with the trajectory; problems.... Formulae concerning the trajectory; problems Definition of mil; problems The rule * = / i : ( - - ! _ ) ; problems 1000 Definition of parallax; formula for parallax Correction for obliquity (two methods); problems Sec. C: Calculation of firing data for direct and indirect I. II. III. Target not visible from gun; to find range Target visible from gun; to find direction of firing fire Target visible from gun; to find range. Problems 6-8 8-}0 11-12 12-14 14 14-17 18-29 18-21 22 22 22-29 22-23 23-29 23-24 24-25 26-29 29 5-10 Sec. B: Definition and simple applications of the "mil".—The parallax 11-17 IV. Target not visible from gun.—Aiming point.—Deflection...(a) Simplest case: aiming point=battery commander's station; problems...^. (b) Aiming point and battery commander's station distinct...^ ^ Aiming point; deflection The relation m Determination of the deflection; problems Remarks-.. • %•
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