Discovered that a paulmann 66052 table lamp globe fits perfectly on a Primus 1031 instead of the original globe. This with no alterations at all.
Hello, Can´t see any top hole in the shade. Wouldn´t it be good having as I believe the carbide burner creates a bit of gases and the top hole is for ventilation of these. But maybe this is fed by electricity, many electric cords in the vicinity ! /Conny