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He was a board member of Elkjøp from 1963 to 1983, Norges Handels- og Sjøfartstidende from 1970 to 1978, Det Norske Oljeselskap from 1971 to 1989, a member of the supervisory board of Norges Bank from 1990 to 1993 and of the corporate assembly of Oslo Sporveier from 1996 to 2000.
Bærumsbanen, that had become partially owned by Oslo Sporveier, had a similar suburban tramway to the east of the city center, the Lilleaker and Kolsås Lines, where trams continued along street trams lines until the reached the city center.
In 1937, the first Class B trams were delivered to Oslo Sporveier, and these put into service on the Bærum–Østensjø Line after the serial delivery started in 1939.