Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Heatin^-Stofes. and ash-pit are shown at b b, and the fuel is intro-du<;ed by the opening at i. The air passing from the lower flues c c throughthe apertures beneath the horizontal partition, andcoming in immediate contact with the surface of thecockle, finds its way into the npper air-chamber e cthrough the numerous pipes or openings of the npperdivision, by
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Heatin^-Stofes. and ash-pit are shown at b b, and the fuel is intro-du<;ed by the opening at i. The air passing from the lower flues c c throughthe apertures beneath the horizontal partition, andcoming in immediate contact with the surface of thecockle, finds its way into the npper air-chamber e cthrough the numerous pipes or openings of the npperdivision, by which circuit its velocity will be suffi-ciently retarded to obtain the necessary elevation oftemjierature from the heated cockle. HEATING-SURFACE. 1091 Gas Htalln^-Stove. In tile plan submitted by Sylvester, 1835, forwarming anil ventilating tlie Houses of Parliament(A, Fig. 247-1), the fresh air was to be admittedthrough an underground channel a A to a coekle cbeneatli the lloor of the building. It is thus heatedabout 15° in winter or cooled a like amount in sum-mer. On passing through the cockle it spreads intothe open space d d, and thence is distributed to allparts of the chamber through apertures in the ascending vitiateil air, passing through openings c e in the ceiling,Fig. 2475. is discharged through the turncap/, the openingof which is al-ways opposite thewind. Heatedpipes g near theroof were to in-sure a sufficientupward necessaryto obtain a greaterheat the aperturesin the ceiling areclosed, and the airescapes throughopenings in thewalls h. Fig. 2475 is agas-heater. Thecold air enteringthrough the bot-tom is heated dur-ing its passage through the coil by annular gas-jets,and discharged into the room thr
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