Results

Arthur James Gardner biography

Modifications to Leeds Trunk Exchange Cord CCT

Modifications to London Trunk Exch[ange] Line CCT

Copy of Treasury Minute upon the proposals for the developments of the telephone system in the United Kingdom

File cover for papers re Glasgow telephone junction lines

Observation set: summary of operating

'Description of a Telephonic exchange and its uses, being an address delivered at the Town Hall at Inverness' by A R Bennett

'Proposed Introduction of the telephone exchange system in Stirling, Alloa and District. Report of a public meeting held 18 December 1885' by A R Bennett

'Proposed Introduction of the telephone exchange system in Dunfermline and District. Report of a public meeting held 3 February 1886' by A R Bennett

'La telephone privee en Belgique' by Charles Mourlon

Photographs of opening of experimental electronic telephone exchange at Dollis Hill Research Station

Photographs of opening of Highgate Wood exchange, 1st electronic exchange

Private Telephone System

Telephone exchange in Paris c. 1884

Bell Telephone Manufacturing Company Limited 'Modern Large Size Toll Exchanges', n.d.