An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 543
mpwill be lighted. While electric cooking may be said to be satisfactory onaccount of its convenience, cleanliness, and adaptability, elec-tric heating for general purposes can never replace the directuse of coal or the use of steam heating, until electricity isdirectly generated from the fuel or… … 341. — Flatiron on stand and connectedwith pilot lamp. ELECTRIC HEATING 487 them, to convert into useful power more than 10 or 15 percent of the heat energy contained in the coal which is shoveledinto the boiler furnace. When the steam generated by theboiler is directly used for heating, a very…
Electricity · Magnetism
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