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Scientific American, Vol. 56, No. 14 (1887) (1887)

leaf 9

An illustration from Scientific American, Vol. 56, No. 14 (1887), 1887, leaf 9
it will not-interfere with and 40 per cent of the dew point. Many sanitary offering to furnish at the proving ground, without a the pump connections in use, and, as shown in the authorities agree that 60 per cent humidity is desirable penny of cost to the department, a plate from 12 to engraving,… … steam is delivered in each box through two one-fourth artery of a horse, the vital manifestations are observed WYMAN’S BOILER FEED REGULATOR, inch pipes, three inches apart. Under these hangs a to last for half an hour. Finally, if the transfusion is ‘gmall pan which catches the water of…

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