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Scientific American, Vol. 20, No. 15 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 20, No. 15 (1869), 1869, leaf 7
n eraser, anating trom a patient soon lose their vitality. But when an the rear. This shaft, by means of a suitable wheel at its cen- is slouchy and in many cases destructive to the envelope, the epidemic influence prevails, these germs resist decay and in- ter, impels an endless apron composed of… … than the genuine vaccina. Patented, Nov. 19, 1867, by Robert Conarroe. A patent for “When re-vaccination is not followed by itching, or any other recent improvements is now pending. For machines or other disputes, either in or out of the courts. Very methodical men effect, it should be repeated.…

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