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Scientific American, Vol. 62, No. 7 (1890) (1890)

leaf 9

An illustration from Scientific American, Vol. 62, No. 7 (1890), 1890, leaf 9
accompanying illustration represents a signaling power would be drawn from a common center, especi- the pumping, a leak was supposed to exist in one of apparatus for use in connection with telegraph lines, ally for fluctuating and intermittent purposes. That the mains running from the Blackfriars… … delivery hose that a jet of great power can call, operating through the line relay, and be obtained at the top of a high building through magnets, gear, and ratchet wheels, TAYLOR’S ELECTRIC SIGNAL. without the aid of a fire engine. Captain move a wheel on the periphery of which are Shaw has…

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