Instructions for testing telegraph lines and the technical arrangements of offices (1878)
Schwendler, Louis, 1838-1882 · London : Trèubner · leaf 174
Thismethod of comparing capacities is analogous to Wheat-stones method of comparing resistances by means of theBridge. (See Fig. 10 and compare it with Fig. 1.) >S and S are the two capacities which are to be com-pared. All the other letters have the same meaning asin Fig. 1, and those not… … make contact at (l) permanently, and adjust iv until 1 Sir William Thomson, Journal of the Society of TelegraphEngineers, vol. i. p. 397. i6o LINE TESTING. there is balance in G wlien contact is made at (2).Then, as before/ Y S V- ti ^ u S a s~ w (34) It must be understood that each time after…
Telegraph · Telegraph lines
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