| Name | Münzfernsprecher 33 |
| Date | 1933 |
| Manufacturer | It was manufactured from 1933 by E. Zwietusch & Co. Telephon-Apparate-Fabrik for the Deutsche Reichspost. |
Development of the Münzfernsprecher 33
| The Münzfernsprecher 33 was a German coin-operated public telephone introduced in the early 1930s under the Deutsche Reichspost as part of the continued standardisation of public telephony. It represented a further development of earlier models such as the MF 28, incorporating refinements in both mechanical construction and user operation. Like its predecessors, the MF 33 was a wall-mounted electromechanical unit, combining a dial telephone with an integrated coin mechanism. It featured improved coin validation and handling systems, along with more reliable switching and timing components to regulate call connection and duration. These refinements enhanced operational consistency in busy public environments. The model remained in use through the 1930s and into the post-war period, contributing to the widespread availability of public telephony in Germany prior to the major technological shifts of the mid-20th century The Ortsmünzfernsprecher 33 was installed in public locations such as shops and cafés. After inserting a 10 Pfennig coin, users could dial the number. If the call connected, a payment button was pressed to retain the coin; if unsuccessful, the coin was returned when the handset was replaced. It was manufactured from 1933 by E. Zwietusch & Co. Telephon-Apparate-Fabrik for the Deutsche Reichspost. |
| More info- https://oeffentlichetelefone.de/ |
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