BPO - GPO - PO - BT BRITISH INSULATED & HELSBY CABLES BRITISH POST OFFICE TELEPHONES ANGLO PORTUGUESE TELEPHONE COMPANY - APT AUDIOLINE AUTOMATIC ELECTRIC COMPANY AEI AUTOMATIC TELEPHONE COMPANY BIRKBYS PLASTICS BRITISH ERICSSON - ETL DENNIS FERRANTI METERS Ltd DORO GEC GEC - The Telephone Works GOWER-BELL HULL IRISH TELEPHONES L. M. ERICSSON METROPOLITAN-VICKERS MITEL NATIONAL TELEPHONE COMPANY PLESSEY PEEL CONNER SIEMENS AG SIEMENS BROTHERS SIEMENS AND HALSKE STC - PROPOSED ACQUISITION BY ALCATEL STANDARD TELEPHONES AND CABLES (STC) STERLING TELEPHONE COMPANY STROWGER AUTOMATIC TELEPHONE COMPANY TELECOM SCIENCES CORPORATION Ltd TELEPHONE RENTALS UK COMMUNICATIONS HISTORY UNITED TELEPHONE COMPANY WESTERN ELECTRIC Co. Ltd. (UK)
