necessarily not so great as when and, at the same time, the caps will be tightly secured to joint, we are informed, may be quickly made perfect by run- old ones, on wearing out, are constantly replaced. the ends of the bar. ning the saw through it, thus enabling the operator to use Further… … tents obtained through the Scientific American ventor, Mr. sames H. Van Ness, Char- Patent Agency. For farther particulars re- lotte, N. C. IMPROVED DOUBLETREYF. garding sule of rights or sale of territory, etc., address A. N. Case, Kingsville, Ashtabula county, Ohio. M. Becquérel has shown that,…
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