| Name | GRAY COINBOX |
| Date | c. 1950. This model dates from about 1950 and was housed in an outdoor telephone booth. It was typically supplied in tandem with a 200 series Ericsson wall Neophone. |
| Manufacturer | Siemens, London |



Information and images with special thanks to Mark Van Der Heever and Peter Van Almelo
Development of the Siemens PUBLIC CALL OFFICE 1950
PUBLIC CALL OFFICE
Manufacturer: Siemens Brothers, London, 1930
Introduced around 1950, this post-war refinement of the earlier Siemens Public Call Office featured an improved Neophone telephone and separate grey metal coin box mounted on a painted timber backboard. Installed in outdoor kiosks throughout South Africa, it remained in widespread use until integrated all-in-one public telephones replaced separate coin boxes during the 1960s.






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