Illustrations of the theory and practice of ventilation : with remarks on warming, exclusive lighting, and the communication of sound (1844)
Reid, D. B. (David Boswell), 1805-1863 · London : Longman, Brown, Green, & Longmans · leaf 277
mperature may be obtained fromthem that may be required. The arrowsin the accompanying Fig. 177, indicatethe progress of hot water from the coils inthe furnace, to any coil, a, intended toheat the room in which it is placed ; b isthe expansion tube. On the other hand,if the tubes in this apparatus… … HIGH TEMPERATURE HOT-WATER APPARATUS. 253 tures. This variety of apparatus should be carefully distin-guished from the mild hot-water apparatus prepared by MrPerkins, with tubes of a similar size. A very ingenious ar-rangement has lately been introduced by Mr Perkins, for facili-tating the junction…
