2036 - Gecophone style 2040 2042 2044 2046 - Early model (1903) 2046 - Later model - Gecophone style 2096 - Paired telephones R50 - Gecophone style R51 - Gecophone style Gents Wiring details and explanation of systems 1903
2036 - Gecophone style 2040 2042 2044 2046 - Early model (1903) 2046 - Later model - Gecophone style 2096 - Paired telephones R50 - Gecophone style R51 - Gecophone style
Gents Wiring details and explanation of systems 1903
