During a collectors' meeting in Germany, a hobbyist friend showed me a mercury vapour lamp of the type HQLS 250W, which was undoubtedly manufactured by NARVA in East Berlin in the GDR in the second quarter of 1967.



The special thing about this mercury vapour lamp is the fact that the name NARVA is missing on the lamp base and has been replaced by the name ‘Olompia’. I was completely unfamiliar with this name.



It is the first lamp manufactured by NARVA that I have ever seen with this unusual trade mark.

Who knows this name ‘Olompia’ and for what purpose (perhaps export) was it used?