neither fire nor water | Edward 8. Plimpton, of Denison, Iowa. This invention turning the cam on the shaft, G, by means of the lever at- in the boiler. This invention was recently patented by Mr. , consists in a novel arrangement of a double jointed lever, tached. This lever is provided with a pawl… … and steam pipe, B. The re- rally by contact of their curved ends with fixed roll- quired pressure is quickly ers, and being closed by a reached, and the surplus air ¥ connecting spring. escapes through the valve, F. An improvement in car Should this operation fail to couplings, invented by Mr.…
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