itch as may be desired, the connection being made man and some timely signal to the engineer of a train, A steam is sufficient, if it does contain much, 120 lbs. of steam is by the wire passing under ground. patent for such a device was secured through the Scientific necessary in order to… … HAIL'S SWITCH SIGNAL AND ALARM. Union Express Company's Office, 365 Broadway, corner of Conn., Feb. 26,1867, and is now in successful operation on a attained the fire is withdrawn and the cylinder is kept revolv- Franklin street, New York City. It is being introduced portion of the New York and New…
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