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Scientific American, Vol. 50, No. 13 (March 1884) (1884)

leaf 7

An illustration from Scientific American, Vol. 50, No. 13 (March 1884), 1884, leaf 7
s paper entitled, "Sixty Miles when a sudden gust of wind strikes the governor it causes always warns of danger from the direction of the cow in Sixty Minutes on our Present Roadbeds," argues for the the shield to move around and cut off a part of the wind. catcher, while instrument, a, warns of… … IMPROVED ELECTRIC RAILWAY SIGNAL. so that the engineer will know With each rise of the link when it is safe to proceed and consequent shortening of by the alarm bell ceasing to ring. In case the engine goes sume its normal position. This to and fro movement of the the throw of the main valve,…

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