01242 a2200157 4500 Nust 20170207154200.0 Nust 621.385 Atkinson, J. Telephony vol. I J. Atkinson London Sir Isaac Pitman 1961 514 p. Sound and Speech (Page-1) Symbols and Diagrams (Page-20) Transmitters and Receivers (Page-32) Resistors Condensers and Transformers (Page-45) The Transmission Elements of Telephone Circuits (Page-64) The Principles of Relay Design (Page-88) Relays Indicators and Similar Apparatus (Page-108) The Principles of Line Signalling (Page-127) Subscribers Apparatus (Page-152) The Principles of Manual Switching (Page-181) Private Manual Branch Exchanges (Page-200) The Circulation of Public Traffic (Page-232) The Principles of Junction and Trunk Signalling (Page-252) Cabling Wiring and Protection (Page-280) Magneto and C.B.S. Exchanges (Page-305) The Central Battery System Local Calls and Exchange Design (Page-325) The Central Battery System Junction Working (Page-340) The Sleeve Control System (Page-366) Automanual and Trunk Exchanges (Page-385) Power Plant (Page-406) Maintenance and Fault Testing (Page-451) Telephony ddc BK 194658 194658 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8494 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8686 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8687 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8688 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8690 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8695 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8696 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8698 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8699 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8705 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8707 2016-12-08 2016-12-12 BK 0 0 ddc 0 0 NFIC MCS MCS 2016-12-12 0 621.385 ATK MCS8709 2016-12-08 2016-12-12 BK