The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 156
isions of 4 milliamperes each. A milliampere being yoVo^ ^^ ^^ ampere, it is evidentthat these instruments are capable of measuring very ELECTRIC MEASUREMENT. 39 low currents, especially as the scale divisions are read-able to fifths; so that the smaller instrument can indi-cate a current of -|- of… … E. M. F.; each being proportional to a resistance havingsimilar conditions through which the measurement ismade. The case incloses two Clark cells, each having a con-stant E. M. F. of 1.43 volts, the connections being soarranged that either can be employed alone, or the twojoined in series so as to…
Electricity · Magnetism
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