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Scientific American, Vol. 43, No. 1 (1880) (1880)

leaf 4

An illustration from Scientific American, Vol. 43, No. 1 (1880), 1880, leaf 4
purse or satchel fastening which can be securely locked and sufficient for two pounds of gasoline. The heat of the steam present a smooth and unbroken surface without projections. is taken up by the refrigeration caused by the evaporation A combined dental speculum and shield has been patented of… … these machines are run which consists inclean- with a small oil burn- ing and buffing the iron er. They are being surfaces, then electro- made by the Pennsylvania Globe Gas Light Co., 181 Arch St., Philadelphia, Pa., of from 100 to 10,000 burner power. This machine was patented June 8, 1880.…

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