The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 485
withoutthe shunts. This number is now multiplied by the resistance (as100,000), and again by 10 if ^th of the testing battery has beenused. The constant so obtained (say, 50,000,000,000 ohms,or 50,000 megohms) will represent the resistance through whichthe testing battery will give a deflection of… … Fig. 432.—Connections for Galvanometer Constant the galvanometer may be neglected, especially when the shuntsare used. Figure of Merit.—Dividing the constant as above by thevoltage of the battery used gives a number which is called thefigure of merit of the galvanometer, and represents…
Telephone
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