C.T.C. Model Railway for India

At the beginning of this year a C. T. C.-equipped model railway sup­ plied by L M Ericsson was set up at the Railway University at Baroda, 400 kilometres north of Bombay.

India's widely ramified railways stand unrivalled as the most important means of transport in the sub-con­ tinent. They are being constantly re- equipped, and, among other items, Full Automatization of Odense modern relay interlockings are now being installed. Telephone Exchange The model railway with gauge of The 23,000-line Ericsson crossbar hagen. Mr. J. V. Rasmussen, Director 32 mm is about 11 metres long. It exchange opened at Odense, Denmark, of Telephones at Odense. rang up the comprises three stations, all of which in June, 1958, became fully auto­ head of the Telephone Maintenance have complete relay interlockings with matic on March 14, 1959, with the cut- Service at Copenhagen, Mr. Axel electric light signals and electrically over of the Odense automatic trunk Petersen, the Director General of the operated points. The signalling equip­ exchange. Odense Trunks is the third P. T. T. in Copenhagen, Mr. K. J. ment is made up of miniature relays. point of the triangle formed by the Jensen, and the Director of Tele­ One end of the intermediate station main centres of the Danish long­ phones at Aarhus, Mr. Poul Dra- has also been equipped with signal distance network, comprising auto­ minsky. The suppliers were repre­ interlocking relays of plug-in type. matic trunk exchanges at Copenhagen, sented by Mr. Malte Patricks of Aarhus and Odense. All these three L M Ericsson, Stockholm, Mr. L. C. exchanges are of Ericsson manufac­ N0rrelund of L M Ericsson A/S, Co­ The entire installation is remote- ture. penhagen, and Mr. E. Nyegaard of controlled on Ericsson's standard The Odense trunk exchange has a Telefon Fabrik Automatic A/S of C. T. C. system. The control can be capacity of 1,200 two-wire and 1,200 Copenhagen. effected either from the track diagram four-wire junctions to local and re­ by the Line-To-Line method or from The new trunk exchange prepares a separate keyset. This enables the mote areas. For services requiring the the way for further automatization of attention of an operator the trunk Railway Administration to try out two the Danish telephone service and different methods of operation. exchange has 46 operators' positions represents a large step forward in the and 4 monitoring positions. automatization of international con­ The exchange was officially opened nections. The electric trains are controlled by a conference telephone call be­ automatically by the signals. They tween Odense, Aarhus and Copen­ Part of local equipment at Odense exchange. stop in front of stop signals and con­ tinue when the signal is cleared. The Extension of Ericsson trains run at a very slow speed, taking about two minutes between stations. Exchange in Chile This makes the conditions as realistic An extension of the Arica telephone as possible. system in Chile was inaugurated on March 10. The extension comprises automatic equipment for 500 lines and outside plant for 1,500 lines. The Mayor of Arica. Adolfo Arenas Cor­ dova, presided at the ceremony. Section of C.T.C. model The Ericofon Appreciated railway for Baroda, India. in Kuwait When Mr. S. T. Thomasen, Re­ gional Director of Scandinavian Air­ lines System, was called to an audi­ ence by Emir Abdulla Al Mubarak Al Subah, and considered the choice of a suitable gift, he decided on a pair of Ericofons. The Emir expressed his great appreciation of the two in­ struments which bore the Kuwait na­ tional colours, red and white.

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