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Wall Mounted Telephone Apparatus

Wall Mounted Telephone Apparatus
Hasler Switzerland, 1907 y.

Wall Mounted Telephone «G. Hasler». Switzerland. 1907 Microtel and SwiTouche technologies were combined for the first time. Such combinations were already produced in France, but this was the first one to be produced in Switzerland. External terminals were by now defunct: they were now located inside the unit.