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Scientific American, Vol. 27, No. 6 (1872) (1872)

leaf 3

An illustration from Scientific American, Vol. 27, No. 6 (1872), 1872, leaf 3
lors of our own if the seamen’s-labor market is to be algo serves as an escapement. The stem of the fan is con- perpetually depressed by unrestricted foreign, competition? nected in any suitable manner with the oscillating lever or Philadelphia is a strong “ protective” city, and it would not its… … face of the barometer is provided with a series of platinum head of a bedstead and employed to swing a double fan for ths cylinder, is drawn out through one of the slots until the conducting pins, and whenever, by a change in the atmo- the two-fold purpose of cooling the air and keeping off flies…

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