Uploaded with ImageShack.usPictured on the front-1930 Pecten-1950 Pecten-1980 PECTEN.A couple of breakthroughs was announced in the Feb.1931 edition.Super Shell with Ethyl and Shell-Penn Motor Oil, sold then in quart bottles.Ethyl,before it came on the market was researched for seven years.More than 33,000 chemical combinations were tested for their effects on gasoline engines.In 1935 Shell introduced Golden Shell Motor Oil,in 1941 x-100 Motor Oil.
A bit of Shell history!