the moving me- Figs. 3 and 4 show forms of right and left-handed screws April 27, 1875. For further particulars address the inven- chanism. combined, which can be used for forcing the ram into the tor, Mr. Leopold Weil, 18 Market street, Chicago, 111. Patented through the Scientific American Patent… … complete in itself, no hammering being necessary to put it to- lately accomplished a greater feat than ever before, namely, ly slide one upon the other, and become chipped and cracked; gether for driving on the barrel. It requires no rivets; and the crossing of the English Channel. He started from…
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