immtim THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL AND OTHER IMPROVEMENTS. [NUMBER 31. NEW-YORK APRIL 15, 1854. VOLUME IX.] SCIENTIFIC AMERICAN, DRIVING CIRCULAR SAWS. I PUBLISHED WEEKLY, … try when it becomes known." saw spindle is a pulley, E, in contact below The effect of this combination for operating This engraving is a perspective view of a [We hope this testimony will be published. the saw, is, that while the tension of the belts with the periphery of the driving wheel.…
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