Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 110
l air;that is, the air is heated byconvection. This ^convectioncurrent continues as long asthe stove is warmer than the air in the room. This explainshow a stove heats a room. How does a hot-air furnace heat a house ? — The diagram,Fig. 69, illustrates the hot-air furnace. Examine this diagram,and… … FIG. 69. — The hot-air heating system. Circulation of water. — Before we study the hot-water heat-ing system and the hot-water tank, we may illustrate the circu-lation of water, due to difference in temperature, by means ofthe apparatus shown inFig. 70. It is a rec-tangular glass tubefilled with…
Physics · Home Economics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-130-67.webp)
