| telegraph switchboard | komutator telegrap |
| telegraph switchboard | |||
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| telegraph | kb. telgrap. -kkt. mengawatkan, mengirim telgram. t. office kantor telegrap. t. operator pengirim/pengetok kawat. t. pole tiang telgrap. |
| switchboard | kb. papan wesel/hubung, weselbor. s. operator pelayan telpon penghubung (telpon) |