F.—l

36

Extensions to Cabling and Switching Systems—continued.

EXTENSIONS NOT COMPLETED DURING YEAR. 11l addition to the extensions enumerated in the foregoing table, a number of extensions to the switching and cabling portions of local telephone-exchange systems were commenced but not completed during the year. These are as follow : — Auckland Central Exchange : Extension of switching equipment by 3,100 lines ; additions to inter-office trunking equipment. Mount Eden : Extension of switching equipment by 900 lines. Remuera : Extension of switching equipment by 900 lines. Onehunga : Extension of switching equipment by 200 lines. Ponsonby : Extension of switching equipment by 600 exclusive lines and 100 two-party lines. Fawera : Extension of switching equipment by 100 exclusive lines and the installation of an underground-cable system. Courtenay Place : Extension of switching equipment by 1,200 exclusive lines, 100 two-party lines, and 200 P.B.X. lines. Timaru : Extensions to cabling system. Waimate : Extensions to cabling system. Oamaru : Extension of switching equipment by 100 exclusive and 10 rural lines. South Dunedin : Extension of switching equipment by 400 lines. Invercargill: Installation of underground-cable system. Kaiapoi : Extensions to cabling system OPEN-WIRE SYSTEMS RECONSTRUCTED. In consequence of cabling operations, and in order to improve the system of overhead distribution, reconstructions of the open-wire systems were carried out at the undermentioned exchanges ; — Auckland Engineering District : Aria, Hamilton, Henderson, Huntly, Kumeu, Piopio, Taumarunui. Wellington Engineering District: Hastings, Hawera, Marton, Picton, Taihape, Tikitiki. Canterbury Engineering District: Kaiapoi. Otago Engineering District: Dunedin, Gore, Port Chalmers, Invercargill, Mosgiel, Riverton.

Additions to Cabling Plant. Additions to Switching Equipment. Name ot Exchange. Underground Underground Overhead Miles of Exclusive Party-line Equipment. Ducts Cable Cable Cable Wire Line added. added. added. involved. Equipment. Two-party. Four-party. Canterbury Engineering District — Chains. Chains. Chains. Units. Units. Units. Amberley .. .. .. .. 20* .. 25 Ashburton .. .. .. . • 17 .. 10 Cheviot .. .. .. .. 7 .. 4 Christchurch.. .. .. 606 1,725* 1,928* 10,032 80 Culverden .. .. .. .. ■ . • • • • 20 Cust .. .. .. .. .. • • • • ■ • 50 Dunsandel .. .. .. .. .. .. . • 20 Greymoutli .. .. .. .. 124* 237 508 Hinds.... .. ■. .. 1* ■ • 1 Kaiapoi .. ■■ .. 112 23* 173 Leeston .. .. .. .. 104 141 295 Little River .. .. .. .. 3* .. 2 Mayfield .. .. .. .. 77* .. 48 Methven .. .. .. .. 271 .. 176 Temuka .. .. .. .. 514 48 288 Timaru .. .. .. .. 216 298 2,375 Springburn .. .. .. .. •. .. ■ • 20 Waimate .. .. .. 97 10 184 221 Otago Engineering District— Balclutha .. .. .. .. . . .. ■ ■ 100 Bluff .... .. .. .. 41 .. 25 Dunedin .. .. .. 214 190* 20 625 Dunedin South .. .. .. ■. .. • ■ 400 Invercargill .. .. .. 917 1,113 40 4,340 40 Kurow .. .. .. .. 22 .. 25 50 Mosgiel .. .. .. .. 39 .. 24 Oamaru .. .. .. .. .. .. .. 100 Pembroke .. .. .. .. 13* .. 8 20 Port Chalmers .. .. .. 2* .. 1 Queenstown .. .. .. .. 10 .. 6 Riversdale .. .. .. .. 11 .. 6 Thornbury .. .. .. .. 11* .. 7 20 Tokanui .. .. .. .. 23* .. 15 Waikaia .. .. .. .. 2 .. 2 Winton .. .. .. .. 69* .. 86 Woodlands .. .. .. .. 1 .. * Adjustments— Fractions of miles of wire not .. .. .. 38* accounted for : Totals .. .. 2,772 10,160 5,260 45,300 3,940 200