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Scientific American, Vol. 44, No. 21 (May 1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 44, No. 21 (May 1881), 1881, leaf 4
mill, and that will enable the operator NOVEL CAB COOLER. closed, artisans going out were searched, visitors were rigor- to grade the middlings at will. We give an engraving of a device lately patented by Mr. ously excluded from admission, and false operations blinded An improved heating apparatus… … condemns as impracticable the project of flooding the the facts that every unit of affinity of every atom is charged wise through the car, and carrying a number of wings like Sahara. The fresh water fossils, which are met with in always with one equivalent either of positive or of negative screw…

Patented · Ammonia · Gamgee · Silk · Patents · Scientific American · Inches · Trade catalogs · Liquid ammonia · Silk culture · Floor beams · Professor gamgee · Steam engine · High pressure · Low pressure · Induction coil

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