a longitudinal gers or others. section of the car, and Fig. 6 is an exterior elevation, also The car, Fig. 4, has a circular showing the stationary boiler from which the apparatus is tab, B, which contains the dum- charged. my engine and boiler, and is sup- Among other methods proposed for… … by carbonic acid gas, which is compressed into a liquid and have been made to drive them by machinery. Steam en- carried in strong cylinders. Another device involves the gines, known as dummy engines, have been used with suc- use of india rubber springs; another of steel springs; an- cess, but the…
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