Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 412
own batteries inthe market (either dry or liquid) will be ample tooperate a single indicator where the circuit is short. THE THOMPSON STEAM ENGINE INDICATOR. The original Thomp-son indicator was pat-ented in 1875, but hasbeen considerably im-proved upon from timeto time. The radical improve-ments,… … 404 LOCOMOTIVE APPLIANCES. weight of the pencil lever, also weight of squareson trunk of piston and lock-nut on end of spindle,and increasing the bearing on connection ofparallel motion. By shortening the length andreducing the actual weight of the paper cylinderjust one-half, and by shortening the…
Locomotives
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