ATM PAX T.4239ATM PAX T.4239MINE TELEPHONES AND SIGNALLING APPARATUS
STROWGER PRIVATE
AUTOMATIC EXCHANGE
T.4239
An ideal system of inter-communication between colliery offices and between administrative departments and mine workings.
A miniature replica of the public automatic telephone exchanges in London and the provinces
as manufactured and installed by us for the British Post Office.
The model illustrated is equipped for 10 lines and permits two simultaneous conversations.
Particulars of 25-line, 50-line and larger installations on application.
Case finish: Dark green enamel.
OVERALL DIMENSIONS :
Length, 2lins.; height, 20ins. width, 8ins. weight, 90 lbs.
Taken from the ATM Mine Telephones and Signalling Apparatus Catalogue 1928
| BACK | Home page | BT/GPO Telephones | A - Z Index | Glossary of Telecom Terminology | Quick Find | All Telephone Systems |
Last revised January 26, 2003
FM2