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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 676

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 676
ching regarding the latter subject is due toto the efforts and observations of Corvisart, of France. He was the first toascertain the diseased areas of the lungs, by tapping on the chest with thelingers, and listening to the pitch of the note thus elicited. A low, dull noteindicates that the lung… … DK. NATHAN SMITH DAVIS, OP CHICAGO. ered by accident that this method was greatly improved and the soundsmore distinctly heard if a cylindrical tube was interposed between the earand the chest wall. The outcome of this principle is the stethoscope. The name of Pravaz, the Lyons surgeon, has been…

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