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 . Stilhnan, Roper,Baldvrin, Messer, Wilcox engines, described on - 43. See also Dr. Barnards report on theFrench Exposition, pp. 34-40, and plate 1. Second, those which employ continually the .sameair, which is alternately heated and cooled, butwhich is not allowed to escape. Such are the Glaze-brook (1797), Parkinson and Crosley (1827), Lau-bereau ^1849*, S
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 . Stilhnan, Roper,Baldvrin, Messer, Wilcox engines, described on - 43. See also Dr. Barnards report on theFrench Exposition, pp. 34-40, and plate 1. Second, those which employ continually the .sameair, which is alternately heated and cooled, butwhich is not allowed to escape. Such are the Glaze-brook (1797), Parkinson and Crosley (1827), Lau-bereau ^1849*, Schwartz, described on jip. 43, 44. These and other distinguishing features are de-scribed under Air-exgixe (which see). Hot-air Furnace. One in which air is heatedfor warming houses, or for purposes of drying,usually the former. The arrangements are various, Fig. 2586. around through D £, into the auxiliary radiatorG, down by the V-shaped driving flues I K L, andso to the exit. The air circulates around each ofthe flues in chamber F, and against the plates ofthe funiace. In Fig. 2587, a series of concentric annular air-flues are placed above the combustion-chamber andcommunicate with the external atmosphere through Fig.
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