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 219
ter and thebattery are interchanged, thebattery being between e and /while the galvanometer is joinedfrom c to d. The resistance coilswhich represent A and B are often called the balancing or ratiocoils and bear a decimal relation to each other, such as 1: 10,1: 100, or 1: 1000. Figure 124 shows a… … ooopppop Fig. 124. — Post-office form and diagram of connections. graphs. The box contains, besides the resistance coils and ratiocoils, the necessary keys for the galvanometer and batterycircuits, and binding posts marked Ba., Ga., and Line, which areall connected so as to form a bridge. ELECTRIC…
Electricity · Magnetism
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