provided with pistons and valves, simple shuttle. chine. ating a steam engine. It is also adapted for the former of which are operated by .rotat- The patent of Mr. Litchfield embraces a The claim is for “ mortising, tenoning, manual or steam power. ing the cam, which hasa zig-zag or cam novel… … Quite a number of patents have been grant- two dollars ; tor affixing the great seal, one ed for horse powers, and for improvements dollar ; tor endorsing the day of. delivering on them, but the patent granted this week to the slide frame, to set the machine in mo- view of an improvement in the…
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