Publisher's Synopsis
Excerpt from Proceedings of the American Academy of Arts and Sciences, Vol. 25: From May, 1889, to May, 1890
It is evident, therefore, that in the construction of a telephone line it is desirable to reduce both the resistance and the capacity to a minimum.
In a pole line, since the wire is suspended high above the earth, the capacity is always small, and the resistance is the factor that we must try to keep down.
In cable lines, however, where the conductor is necessarily brought near to other conductors, or a metal shield, or the earth, the capacity becomes quite an important factor to be respected.
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