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Scientific American, Vol. 50, No. 24 (June 1884) (1884)

leaf 3

An illustration from Scientific American, Vol. 50, No. 24 (June 1884), 1884, leaf 3
roller which travels any others. The "seeds of disease," to adopt a popular scrapers are made of wood and are shod at their lower edges in a groove in the side of the frame. The levers carry the term (whether we accept the germ theory or not), are floating with steel plates; they are attached in… … sensitive to electrical changes than any electrometer. The HOLDEN ft COE'S CAB TBACE CLEANEB. WASSON & HITT'S MACHINE FOB WOBKINO BUTTEB. approach of a thunder shower is felt and mentioned by them often twelve hours or more before its arrival. Sometimes than the rails. To the rear are secured…

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