THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL AND OTHER IMPROVEMENTS. NEW YOEK, APEIL 3, 1858. NO. 30. VOL. XIII. There is an almost endless variety to the JAY'S MORTISING AND BORING MACHINE. tools that can be employed in this machine, SCIENTIFIC AMERICAN, … of fuel consumed), they consider good. They ing their numbers. Our correspondent, how- (H. & S.) have put up an engine of 12-inch ever, has, we think, hit upon a plan, which, bore cylinder, 24-inch stroke, boiler 26 feet when he carries it out, will put them to route long, 42 inches in diameter,…
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