r readers to a high- nips it, when it is desired to screw the breech-piece en- ing elongated and expanding projectiles. Arrange- ly interesting article in this week's number on iron tirely out of place for cleaning the parts. ments have been made for grooving a portion of our war frigates. The… … ings of new inventions and discoveries, all of which are prepared ex- BREECH-LOADING STEEL CANNON. pressly for its columns. The SCIENTIFIC AMERICAN is devoted to the interests of Popular Science, the Mechanic Arts, Manufactures, Inventions, Agriculture, French inventors by the passing of an…
Patents · Rifled · Combination · Claim · Ment · Purpose · Scientific American · Manner · Grand gold · Bilge timbers · Address munn · Steam engine · Rifled cannon · Patent office · General lyon · Purpose set · Straw carrier
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