rocess of drilling, the piece re- the pressure that tends to blow out the breech. Pieces diameter 10 inches at the powder chamber. The trun- mains immovable and the tool advances as it revolves. of great caliber are placed under very different con- nions are, as usual, of a diameter equal to the… … rally speaking, a function of its caliber, and in- invented by Col. De Bange, which renders the Fig. l.-DETAILS OF THE BREECH PLUG. creases with the weight per unit of the projec- tube and hoops absolutely interdependent in a transverse and longitudinal direction. To tile's section. Now, the De…
Patented · Patents · Gelatine · Apparatus · Munn · Scientific American · Iron · Postal order · Feet long · Paper pulp · Cement lined · Address munn · Sole leather · Feed water · Gas pipes · Cross hairs
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