Two volume set published in 1946 by Samworth books, Col. Whelen leads us through the technical aspects of ballistics in layman's terms. The good colonel begins with interior ballistics, ways of determining pressure and velocity, through exterior ballistics, through wind deflection, and wounding effect and killing power. Col. Whelen wrote this after spending years working in military arsenals and firearm ammunition manufacturing industries. Though some information is quite dated, the theories and formulas can still be applicable provided new information of powders, primers and pressures are used. Definitely a must for those concerned with ballistics or historical perspectives of firearm developement and design.
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