. The Bell System technical journal . Fig. 8—Admittance Network smaller separation, mutual capacitances and the resulting crossfireamong wares of a phantom group, are considerably greater than inopen Fig. 9—Condenser arrangement for neutralizing sending-end crossfire between tele-graph circuits on a phantom group OP CROSSFIRE 429 The result of transposing is that for practical purposes in connectionwith the crossfire problem the other wires of the line can be ignoredand a phantom group represented by a network of admittances asshown in Fig. 8, where 1 and 2 r

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. The Bell System technical journal . Fig. 8—Admittance Network smaller separation, mutual capacitances and the resulting crossfireamong wares of a phantom group, are considerably greater than inopen Fig. 9—Condenser arrangement for neutralizing sending-end crossfire between tele-graph circuits on a phantom group OP CROSSFIRE 429 The result of transposing is that for practical purposes in connectionwith the crossfire problem the other wires of the line can be ignoredand a phantom group represented by a network of admittances asshown in Fig. 8, where 1 and 2 represent a i)air and 3 and 4 the otherpair. A network of the form of Fig. 8, is used as shown in Fig. 9, forneutralizing sending-end crossfire among the four wares of a phantom t 90 VoltsGroundedBatteries Receiving-end Crossfire Neutralizer ■4-windinq trarisformer; mutualinductance = henri/ betweenedch pair of^ vHndinqs;cuTent fromodd to even numbered terminal5qnetizes core in same-idireclionrnailCdtet, Polar Duplex Seli

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1