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 554
Bismuth~A\rAntimony Fig. 348. — Boys radio-micrometer. … Joint of Nickel Steeland Copper Wires Fig. 349. — Thermoelectric pyrometer showing across section of joint. joined together at a junction, whichcan be put into a furnace. The wiresare connected to a sensitive galva-nometer oi millivoltmeter, which isusually graduated to read degreesof temperature…
Electricity · Magnetism
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