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Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. (1899)

Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 298

An illustration from Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .., 1899, leaf 298
ation further and employs other tests toprove his observation. The biologist has also rendered great aid to sanitary science in discover-ing many other species of bacteria that are helpful to man. Our pollutedwaters could not be purified, our air could not be cleared from foul odors,nor the proper… … 278 TRIUMPHS AND WONDERS OF THE XIXth CENTURY than they do to their ill. Possibly no better illustrations can be given ofthe value of bacteriology to sanitary science, and the great progress it hasbrought about, than to contrast a cholera outbreak of a few years ago withone occurring more recently;…

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