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RAILWAY INTERLOCKINGC.T.C. on the Danish State RailwaysPLANTSpage122ROAD SIGNAL INSTALLATIONSTraffic Signals at Viisterbron, StockholmWIRELESSEricsson's TV Range 195723100MISCELLANEOUSA New Tape Recorder—Ericorder KTB 212L M Ericsson Exchanges Cut into Service 1956L M Ericsson News from All Quarters of the World95283169105141COPYRIGHT TELEFONAKTIEBOLAGET LM ERICSSON • PRINTED IN SWEDEN, ESSELTE AB, STOCKHO
ERICSSON REVIEWVol. XXXIV No. 1 1957RESPONSIBLE PUBLISHER: HUGO LINDBERGEDITOR: SIGVARD EKLUND, DHSEDITOR'S OFFICE: STOCKHOLM 32SUBSCRIPTIONS: ONE YEAR $ <strong>1.</strong>50; ONE COPY $ 0.50CONTENTSMaintenance of Aarhus AreaExchangesMechanization of the AlandTelephone NetworkConnecting and Protector Stripsfor Main Distribution FramesVisual Staff Locator System forSmall and Medium-sized OfficesTraffic Signals at Vasterbron,StockholmL M Ericsson Exchanges Cutinto Service 1956L M Ericsson News fromQuarters of the WorldAllpage291419232831On cover: The switchroom at Centrumlocal exchange, Aarhus: L M Ericssoncrossbar systemCOPYRIGHT TELEFONAKTIEBOLAGET LM ERICSSON • PRINTED IN SWEDEN, ESSELTE AB, STOCKHOLM 1957
Page 3: ERICSSON REVIEWVol. XXXIV 1957RESPO
Page 7 and 8: ularities serious enough to affect
Page 9 and 10: Faults at Centrum Jan.—June 1956.
Page 11 and 12: The same practice is adopted at the
Page 13 and 14: Mechanization of the Aland Telephon
Page 15 and 16: The quality of cable construction w
Page 17 and 18: exchange, while another has perhaps
Page 19 and 20: Fig. 2 X 6975IO-pair strips(From le
Page 21 and 22: •G rLrlFig. 6The combined fuse NG
Page 23 and 24: Visual Staff Locator System for Sma
Page 25 and 26: Fig. 4 x 8008Keyset KEM 3294placed
Page 27 and 28: Traffic Signals at Vasterbron, Stoc
Page 29 and 30: Three Programme Vehicle ControlThe
Page 31 and 32: x 8009 Ordinary vehicle control imp
Page 33 and 34: TownExchangeNumberof linesTownExcha
Page 35 and 36: NEWS/romAll Quarters of the WorldL
Page 37 and 38: L M Ericsson, Midsommarkransen, isa
Page 39 and 40: 3056 .(487ricss\nUQ;Jao0-V5roc0-ft

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