 This model was inspired by Sweden , where a separate dining company had been established ; this company paid the railway company part of its revenue and a fixed fee per restaurant carriage . The Swedish model involved including the operation of station restaurants at locations where the restaurant carriages would have depots . On 21 December 1918 , <unk> Norsk Spisevognselskap was established with a share capital of 200 @,@ 000 Norwegian <unk> ( NOK ) . It had 20 shares ; 17 were owned by the Trunk Railway , and one by each of three directors : Waldemar <unk> Platou , <unk> <unk> and Christian Emil <unk> Platou — the former representing the Trunk Railway and the latter being director @-@ general of the NSB . In January 1919 , Waldemar Platou was appointed chair and Christiansen managing director . The company took over Christiansen 's four restaurant carriages and the restaurant at Oslo Ø on 1 April 1919 . 
