NATIONAL TELEPHONE COMPANY
Pattern No. B430
This pattern Telephone has been designed to meet the requirements of a magneto ringing system of Traction Telephones. It is at present working with every satisfaction in many large towns. A small receptacle, with glass front, is provided in the door for the accommodation of an emergency Key for Police use if required. By means of four
thumbscrews the whole of the internal parts are easily accessible.
Last revised: July 07, 2020