embanking, tunneling, etc., costs far less, more or less motion, according to the strength of the current. an iron cup secured to the base. Two platinum or copper and an important proportion of land damages is avoided. wires are stretched along the face of the instru- Half the expense of rails is… … ily indicated. outs, etc., and has also invented a system of As mentioned before, the instrument must be these, especially adapted to his method of nar- BEAUMONT'S CAR TRUCK. adapted to the conditions under which it is to be row gauge, which makes it entirely practical. used. For use with a…
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