—— es —— 7 aE Se Sane etre See, rae THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL, AND OTHER IMPROVEMENTS. ‘VOLUME XI. NEW-YORK, APRIL 19, 1856. NUMBER 32. THE purchase on shafts, A A, during the back Scientific American ; IMPROVEMENT IN WEIGHING SCALES. strokes of the levers,C C.… … yours in the case above, will give us, but no |inindicating the fractional parts. Ifall of] The field for their introduction is large. The] lakes of the Bois de Boulogne. An interesting confidence in the dicta of men like Liebig, the weights are not wanted for immediate use, | improvement may be…
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