wder gases would United States army recently made an allotment of stretch the metal at the bore of the gun to the rupture wire type that have been built in this country, the point, before the outer layers of metal were able to add wire-wound system has been adopted by the English $41,000 for the… … A. Trunnion jacket. B. Wire. C. Segmental tube. D. Liner. by first making a steel tube containing the bore of the Longitudinal Section Through the Breech. Cross-Section Through the Gun at the Powder Chamber. gun, and then shrinking on successive hoops of steel which, as they cooled, threw the inner…
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