Whooping cough
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C.
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Article
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1877
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Elsevier Science
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English
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A comparison of the cost of this system with that of the waterwheels, canals, races, and mechanism, for accomplishing the same work, will show a result no less strikingly in its favor, not to mention its applicability to falls too low to be worth improving by the ordiaaary methods. Its applicabilit