International Library of Technology · Scranton, International Textbook Co. · leaf 262
er, Fig. 1498, issimilar in construction,but the coil A is madeof fine wire and is con-nected in series with aresistance consisting ofa great length of fineGerman-silver wirewound on sheets of in-sulating material andsecured in the back ofthe case R. The ter-minals of the instru-ment are at ^, b,… … 2636 THEORY OF ALTERNATING plunger type, although they do not resemble the two justdescribed. One of these, known as the Thomson inclined-coil instrument, is shown, in principle only, in Fig. 1499.A circular coil <:, shown in section, is mounted with its axisinclined to the horizontal. Through…
Electrical engineering
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