Titre : The Bullet's Flight from Powder to Target; ...
Éditeur : Standard Printing & Publishing Company
Date d'édition : 1942
Reliure : Hardcover
Etat du livre : Very Good
Etat de la jaquette : No Dust Jacket
Edition : Fifth Printing
Xiv, 384 pages, well illustrated, diagrams, tables, cloth, very good. Fifth printing. From the preface: "The results of my experiments of the past 38 years, here recorded, have been as persistently and laboriously worked out with an earnest desire, born of a scientific bent of mind, to assist my fellow craftsmen and add my mite to the world of scientific progress. " From Wikipedia: "Franklin Weston Mann (1856–1916) was an American physician and inventor remembered as author of the pioneering ballistics text entitled The Bullet's Flight from Powder to Target: ~ Mann worked with members of the Massachusetts Rifle Association including gunsmith Adolph Otto Niedner and gun barrel-maker Harry Pope. By 1894 he was conducting experiments with the aid of precision crafted guns and ammunition on specially designed equipment to minimize and measure sources of error. On his family farm, he constructed a massive concrete foundation to anchor machines holding rifle barrels as motionless as possible. In front of the foundation, he built a 200 yards (180 m) range where bullets could be fired through a cloth tunnel to prevent wind disturbance. Stations within the tunnel held sheets of paper to measure bullet orientation and deflection at intervals. Results of his investigations published in 1909 are commonly known as The Bullet's Flight. The precision machined vee-shaped cast iron steadying cradle he invented for his investigations was adopted in 1920 by the National Institute of Standards and Technology and Aberdeen Proving Ground, and has been widely replicated for ballistics investigation as a "Mann Rest". His 1909 publication had secretly been studied by European combatants building long range artillery of World War I. Mann died at home in 1916 without being aware of the international governmental recognition of his work." ; 384 pages. N° de réf. du libraire 38130
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