1. - ericssonhistory.com

ERICSSON REVIEWVol. XXXIV 1957RESPONSIBLE PUBLISHER: HUGO LINDBERGEDITOR: SIGVARD EKLUND, DHSEDITOR'S OFFICE: STOCKHOLM 32SUBSCRIPTIONS: ONE YEAR $ 1:50; ONE COPY $ 0:50CONTENTSpageTELEPHONE EXCHANGESMaintenance of Aarhus Area Exchanges 2Me:hanization of the Aland Telephone Network 9Multi-Position C.B. Type Private Manual Branch Exchanges 46New Cordless P.M.B.X. for C.B. Operation 136LONG DISTANCE TELEPHONYL M Ericsson's 960-Circuit System for Coaxial CablesI. Introduction and Survey 36II. HF Line Equipment 74III. HF Line Equipment (cont.) 110NETWORK CONSTRUCTIONConnecting and Protector Strips for Main Distribution Frames 14Mechanization of Duct Manufacture 58MEASURING INSTRUMENTSThe Multirecorder—An Instrument for Recording SwitchingTime Functions 9()Three-Phase Meter with "Extra Insulation" 133TELESIGNALLINGMATERIALVisual Staff Locator System for Small and Medium-sized Offices 19The L M Ericsson Attendance Time Recorders 52Electromagnetic Underpillow Loudspeaker 67Developments of the L M Ericsson Combine-Unit System of SoundDistribution 137