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Scientific American, Vol. 55, No. 23 (1886) (1886)

leaf 3

An illustration from Scientific American, Vol. 55, No. 23 (1886), 1886, leaf 3
t theair. The soda boiler teria into pathogenous and non-pathogenous is here little Peacemaker has obtained such success that, if the unimportant, since a filter which allows the non-patho- new craft does any better, it will be a subject of con- genous germs to pass will not keep back those which… … THE PEACEMAKER LEAVING A VESSEL. pass without hindrance. Better changed. The present craft is results were obtained with clay provided with a small sighting and asbestos filters of different constructions (Cham- As the men are hermetically inclosed, some means in dome, nearly amidships, and…

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