. Railway maintenance engineering, with notes on construction . ive willcome directly underneath the jack and very little of the smokewill escape into the house. These jacks were formerly made ofwood, but on account of the danger from fire are now generallyof cast iron or some special material such as transite (an asbestoscompound) which will not catch fire from the sparks coming fromthe engine. 99. Heating Plants.—In the heating of roundhouses, eitherindirect hot-air heating, the low-pressure vacuum process ofsteam heating or heating with high-pressure steam radiators isemployed. When direct
. Railway maintenance engineering, with notes on construction . ive willcome directly underneath the jack and very little of the smokewill escape into the house. These jacks were formerly made ofwood, but on account of the danger from fire are now generallyof cast iron or some special material such as transite (an asbestoscompound) which will not catch fire from the sparks coming fromthe engine. 99. Heating Plants.—In the heating of roundhouses, eitherindirect hot-air heating, the low-pressure vacuum process ofsteam heating or heating with high-pressure steam radiators isemployed. When direct radiation is employed, either low or high pres-sure, the coils are placed in the pits underneath the engines andalong the outside walls of the house. ♦Manual, 1911, p. 119. SHOPS AND ENGINE HOUSES 275 In indirect heating or by means of air heated by passing oversteam coils, the hot air is forced by a fan through ducts underthe floor of the house with an outlet generally located in each pit. There is a^great deal of difference of opinion as to the relative. A = Air Chamber. 6= Tile Branches Dis-charging info Pit C= Opening for Recircu-lating Air. D= Main UndergroundHot Air Duct
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
