. The practical telephone handbook and guide to the telephonic exchange . ane! Dummy Operators Service-Meter Cab/net Swibchroom MunaqersDesk * I 3 SS 2 S 3 o CD I tr Monitors Desk Radio tor Chief Operators-~~.. Desk & 2fSg Junction Boards 3 II13 15 1113 11 23 c. w. c. w> ^3_ 12 Dummy 15 21 23, I ^Junction Relay Rock Fig. 251 chief operators, and the switch-room managers desks. Themonitors have the means of plugging into circuit with any ofthe operators instruments, so that they can check any slack-ness or unnecessary talking on the part of the operators. COMMON BATTERY MULTIP
. The practical telephone handbook and guide to the telephonic exchange . ane! Dummy Operators Service-Meter Cab/net Swibchroom MunaqersDesk * I 3 SS 2 S 3 o CD I tr Monitors Desk Radio tor Chief Operators-~~.. Desk & 2fSg Junction Boards 3 II13 15 1113 11 23 c. w. c. w> ^3_ 12 Dummy 15 21 23, I ^Junction Relay Rock Fig. 251 chief operators, and the switch-room managers desks. Themonitors have the means of plugging into circuit with any ofthe operators instruments, so that they can check any slack-ness or unnecessary talking on the part of the operators. COMMON BATTERY MULTIPLE SWITCH-BOARDS 233. I CM 234 PRACTICAL TELEPHONE HANDBOOK A general view of the switch-room is given in Fig. 252, as
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttelephone, bookyear19
