delphia, author of '*Ga]vanoplastic Manipulations." Light-Running Ventilating jjjxperinieijtal [Sciei^ce, day, or week, to inventors for experimenting. illustrated by 78 engravings, one volume.over 50U paees, A. J. WEED & CO.. lot) Jjiberty Street, New York. IZmo.elegantly bound in scarlet cloth,… … ,ISIN SUCH DEMAND THAT OTHERS Ai'cuiiiulalurs.—A fractical Handbook. By Sir IJavid By Geo. M. Hopkins. Workinjr .Machinery. ChamferiDfr. Howellng* and CtoAn;; ijH.lil ARE MAKING OiLERSS- Salomons, Bart., M.A. 5th Edition, Revised and h'.n- lar^red. with lUO illustrations $1.50 Lathes, Chucks, -■■…
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