NTC TOLL KEYS


These keys were issues to members of the Stock Exchange and the Baltic and Wool Exchanges who wanted to make Trunk calls, from the special suites of call offices provided, after the attendants had gone off duty and locked up for the night.

 

 
 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: December 14, 2010

FM