I know this is a lantern from Switzerland, there are more overhere. I only replaced the seal of the fillercap, everything was working well. I used a Luxor 2 tied mantle 200-300cp, and it's running on gasoline.
These are indeed very good lanterns. With the wooden box, reflectors and extras it is a Swiss design item. I always wanted to make it a coffee table with glass top, so you can still enjoy the lanterns with every coffee you take. But in marriage you have to make compromises.