Heating and ventilating buildings : a manual for heating engineers and architects . Fig. 264.—Electric Heater at theVaudeville Theatre, London. HEATING WITH ELECTRICITY. 413 these heaters the heating material has been surrounded withfire-clay, enamel, or some relatively poor conductor, and inother cases the material itself has been such as to give consid-erable resistance to the current. It is generally conceded that. Fig. 265.—Office or House Heater. the most satisfactory results are obtained with electrical as withother heaters by regulating the resistance, by change of lengthand cross-secti
Heating and ventilating buildings : a manual for heating engineers and architects . Fig. 264.—Electric Heater at theVaudeville Theatre, London. HEATING WITH ELECTRICITY. 413 these heaters the heating material has been surrounded withfire-clay, enamel, or some relatively poor conductor, and inother cases the material itself has been such as to give consid-erable resistance to the current. It is generally conceded that. Fig. 265.—Office or House Heater. the most satisfactory results are obtained with electrical as withother heaters by regulating the resistance, by change of lengthand cross-section of the conductor, to such an extent as to keepthe heating coils at a moderately low temperature. Some of 414 HEATING AND VENTILATING BUILDINGS. the various forms which have been used are shown in the cuts,Fig. 264 represents a portable form of electrical heater used inthe Vaudeville Theatre, London. Fig. 265 shows the interiorof an office or house heater made by the Consolidated CarHeating Co., of Albany. The electrical heating surface is madein the latter by a coil of wire wound spirally about an incom-bustible clay core. The casing is like that for an ordinary
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
