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.
Fafnir (automobile) Fafnir was a German engine and vehicle manufacturer based in Aachen. They made a range of cars between 1908 and 1926.