<**1k-j2 ■■'■", , i-, n, , THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL, AND OTHER IMPROVEMENTS. NUMBER 45. VOLUME XI. NEW-YORK, JULY 19,1856. spring in a novel manner. When springs are IMPROVEMENT IN SCROLL SAWS. Scientific American, employed for this purpose they are apt to… … The Line of Perpetual Frost. and its vegetable origin plain to the naked The heat does not ascend as we rise above saw holder. The lower end of the saw is at- Improved Scroll Saws. eye We consider it an excellent fuel for fam- the earth nearer to the sun, but decreases The accompanying engraving…
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