BSTJ 1: 1. July 1922: Philadelphia-Pittsburgh Section of the New York-Chicago Cable. (Pilliod, James J.) (1922)
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Fig. 16—Loading Fixture some later date when the circuits are needed. The loading pointsmust be uniformly spaced in order to obtain the proper impedancecharacteristics in the circuits as will be referred to later. Fig. 17shows the iron core of a loading coil and Fig. 18 shows this core … Fig. 17—Loading Coil Core Fig. IS—Loading Coil with Winding Completed wound with insulated wire and then wrapped with cloth and theterminals brought out nearly ready for potting. Fig. 19 shows several 76 BELL SYSTEM TECHNICAL JOURNAL coils arranged on one of the spindles which will be placed in the…
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