with ———S ing, based on the practical definitions of the electrical 53 E. 2d St., Cincinnati, O. lathes and complete outtits of tools to let vy the hour, units. By W.E. Ayrton, F.R.S. With numerous illus- | PRICE, by mail, postpaid, . . . . $4,00 trations. Fourth Edition. 1889...... . see ea ceewed… … ICE-HOUSE AND REFRIGERATOR. RUBBER TIPPED ARROW co., Bas ‘ace 8 or 10Bunsen cells. Contained in SUPPLEMENTS ROCHESTER OPTICAL Co., 1 and 599. Price 10 cents each. The larger ma- chine produces eight 16-candle lights or one powerful Directions and Dimensions for construction, with one Patentees and…
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