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Scientific American, Vol. 39, No. 20 (1878) (1878)
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ore The lower division of the vessel is supplied with air for of the causes of death, that the proportion of loss from con- each meal. The value of this method of supplying a suffi- supplying the boiler furnaces, by powerful blowers drawing sumption has been 19°17 per cent of the total mortality of… … © 1878 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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