By what name was the city, in which the company Prior Radiofabrikk was located, known from 1877 until 1925 ?
Prior Radiofabrikk Prior Radiofabrikk was a radio manufacturing company in Oslo, Norway.
Hagen-Priorei Priorei (officially Hagen-Priorei) is a small town on the River Volme in the Ruhr district of Germany. Administratively a part of the independent urban district of Hagen (North Rhine Westphalia) since 1975, it is situated some 12 km south of Hagen city centre.