Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 809
eads- to more rapid erosion than has hitherto been caused by the combustion of gunpowder. Having thus shown that want of hermetic obturation, due to the faulty con¬ struction of the driving-bands now in use, is the main cause of the formation of erosion, we shall now pass to consider a new method… … The fixed band A is of the same shape as that of the ordinary driving-band now in use except that its anterior cone is serrated in a direction analogous to the twist of the rifling. The shape of the movable ring B, which may be of gun-metal, brass or other convenient metal, is as shown in the cut,…
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
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