STC TELEPHONE No. 4311-A to F

No. 4311-A - TELEPHONE SET

Moulded hand-Microtelephone desk set, similar to the 4509, for use at way stations in conjunction with the 4001-A foot switch.

Replaces the 4206-A telephone set.
 

No. 4311-B - TELEPHONE SET

Moulded hand-Microtelephone desk set. Used as a replacement for the 4209-A desk stand or 4506-C Telephone set at way stations on existing installations.

No. 4311-D - TELEPHONE SET

Moulded hand-Microtelephone desk set for use at way stations in conjunction with the 4001-B Selector Set.

Dimensions - 9.25in. x 8in. x 6in. (33 x 20 x 15 cm)

No. 4311-E - TELEPHONE SET

Moulded hand-Microtelephone desk set for use at way stations.  The set is fitted with a buzzer and is used with the 4001-A selector set.
 

No. 4311-F - TELEPHONE SET

Moulded hand-Microtelephone desk set for use at way stations.  The set is fitted with a buzzer and is used with the 4005-A selector set.


Taken from:-
STC Catalogue for Railway Systems Apparatus, D/DT. 17D1, Edition 1 (1957)

Last revised: September 28, 2022