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Free old (1918) book on steam, hot water, and others
Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 (Dean of Mechanics Arts, North Dakota Agricultural College (now NDSU))
Available free at [url=http://archive.org/details/mechanicshouseh00keengoog]http://archive.org/details/mechanicshouseh00keengoog
and at other places (search '"Mechanics of the household" Keene' on Google to find them. The first few chapters cover steam and hot water heating.
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