Hi and thanks Christer and Nils. I cant help thinking it is strange if the "8" is a possible working/control-station at the plant while the 2 lamps are made same year and at the same "station 8" but it could be a pure coincedence that they just changed control-wheels to a new type that year - one never knows Is it still possible to get spare parts ex. needle and jet for these lamps or shall I take care It runs perfect with 100cp mantles by the way, which was the mantles it came with Claus C
Better late than never. Here are the photos of the 1051 from 1947. It is interesting for other reasons as it is a picture of a sectioned lantern they have in storage at the technical museum in Stockholm.