ing. The motion is Works, Camden, N. J. New York, contains a valuable paper by Alfred M. Mayer, on the and Grinding; fine vs, coarse Grinding. The Best Crush- STEADY, the speed being governed by Measurements of the aves of Light, with a draw ing ers in Use. the Most Economic Wear of Stamps. The the… … ence to some of the largest machinists and steel works. expenses, etc. Address WM. H. YOUNG, Treas. The Most Popular. Scientific Paper in the World. LIGHT DRAUGHT, FAST, STERN Flectro-Brouzing on Tron. (New Patent.) Inde- VOLUME XL—NEW SERIES, RAPID structible and unchanging by atmospheric action.…
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