PROTOTYPE TELEPHONE MENU
These pictures are either prototypes, pre-production models or futuristic designs that never got off the drawing board.

AEI PROTOTYPES
ATE PROTOTYPES
ATM PROTOTYPES
ERICSSON PROTOTYPES
GEC PROTOTYPES
GPO/PO/BT PROTOTYPES
SIEMENS (BROTHERS) PROTOTYPES
STC PROTOTYPES
TMC PROTOTYPES


UNKNOWN MAKES of PROTOTYPES

 
 
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Last revised: November 11, 2021

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