SIEMENS BROTHERS AND EDISWAN
PROTOTYPE TELEPHONES

proto1.jpg (14153 bytes)proto2.jpg (14814 bytes)
 

proto3.jpg (11105 bytes)proto4.jpg (16781 bytes)

 

proto4.jpg (16781 bytes)

This is a picture taken by ETL of a Siemens Brothers telephone with an ATM dial label!
Probably a prototype

 
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Last revised: October 19, 2025

FM2