. American engineer and railroad journal . free from smoke. The smoke jacks shown in the accompanying illustration ofa concrete roundhouse interior were designed and manufacturedby Paul Dickinson, Inc., Chicago, 111. Several new ideas areembodied in the design, the whole afifording an adequate andexceptionally substantial cast iron arrangement. It will benoted that the pitch at the ends of the hood is very steep, thisbeing necessary on account of the great velocity of steam andsmoke when the blower is used to fire up the locomotive. It is impossible for the smoke and steam to choke in the uppe
. American engineer and railroad journal . free from smoke. The smoke jacks shown in the accompanying illustration ofa concrete roundhouse interior were designed and manufacturedby Paul Dickinson, Inc., Chicago, 111. Several new ideas areembodied in the design, the whole afifording an adequate andexceptionally substantial cast iron arrangement. It will benoted that the pitch at the ends of the hood is very steep, thisbeing necessary on account of the great velocity of steam andsmoke when the blower is used to fire up the locomotive. It is impossible for the smoke and steam to choke in the upperpart of the hood in the presence of this scientific the locomotive stack is not always in the center of thetrack, arising from the necessity of at times jacking it higheron one side than the other, a wide hood is required, and thisdesirable feature has been attained in this design through theflared hanging sides of the hood which are added to increasethe width so that the smoke from the stack can always be UICKINSON SMOKE JACKS IN A CONCRETE ROUNDHOUSE. To keep the roundhouse clear of smoke and steam while thelocomotives are passing in or out, a ventilator was furnishedaround the pipe at the roof line, in the instance of the houseillustrated. This idea has been found particularly valuable, asit takes care of the smoke at the point most easily handled. Toretain the heat in the roundhouse when the smoke jack is notin use a damper was furnished. This is operated by means■of a sliding weight or ball connected to the damper in thtmanner shown, the ball holding the latter in an open or closedposition as may be desired. Plans Have Been Prepared for large new repair shops forthe Canadian Pacific Railway at Coquitlam, British is stated that the shops will extend for nerirly two miles. FREIGHT CAR TRUCK OF 70 TONS CAPACITY Ihe American Steel Foundries exhibited at the Atlantic CityConvention a complete freight car truck suitable for use unde
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
