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 542
When the electric current passes through the corewire, the latter becomes red hot and the heat immediately passesthrough the insulating material to the outside sheath. Thesheathed wire is formed into rectangular coils for the broiler ELECTRIC HEATING 485 and oven units and into circular coils for…
Electricity · Magnetism
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