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 213
s.It is made up in the //-pattern shown infigure 117. One limb contains cadmiumamalgam, which serves as the negative elec-trode, and the other, the positive electrode,contains mercury which is covered with apaste of mercurous sulphate. The whole isfilled with a solution of cadmium sulphatekept… … Fig. 117. — Westonnormal cell. ELECTRIC MEASUREMENTS 185 Exceedingly accurate potentiometers which make use of thestandard cell are used to calibrate voltmeters and, with stan-dard resistance, to calibrate ammeters. These are all rathercomplicated in their construction; hence a detailed…
Electricity · Magnetism
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