New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 324
water of con-densation to pass out of the circulating pipes, completelybreaks the seal and permits the escape of all pressure aboveatmosphenc. And as a matter of fact, all jet systemscirculate much more rapidly than drum systems, and ata much lower pressure of steam, though an increase in thesize… … m. IT lyxT, 1 J V.^E^g X I A KIXTPKKVIUL tAS liLAniSGA RECUPEEATIVE GAS HEATING FTTENACE FOR BAHKOAD SHOPS. The accompanying drawing represents a recupera-tive gas heating furnace, built in June, 1890, for theChicago, Rock Island & Pacitic Railway Company, attheir shops in Chicago, and which…
Railroads · Railroad cars
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