uns with increased velocity, until stop- other idea of its novelty except in stating it to iety often attending the work may be esti- cept two leversare enclosed in a box and buck- ped by the application of external power.”— be new. led to the front of the body. The two levers mated from the… … accomplish as much surveying, locating and in some places, but their expense upona ve- This Switch is the7invention of William C. fulcrums and secured permanently between grading of Roads, &c. in one day, as can be ry large scale must be immense, and whether the tracks at some distance from the…
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