Why did Conway Stewart favour casein?
I can find no definitive statements as to why Conway Stewart used casein in so many of their models from the late 1920’s through to the 1950’s. Maybe it was because of the interesting and varied colours and patterns made available through the use of this material. Perhaps it was because they had difficulties in acquiring celluloid rod stock or was it that celluloid was too expensive? Conway Stewart Dinkie Halloween What is known is that Conway Stewart was almost unique in their adoption of this material in the European arena. Few pens can be found made from casein from European manufacturers and the same can be stated for the manufacturers in the USA. Today the new Conway Stewart company have revived this adoption of casein in their range of modern designs and interestingly so have some other European manufacturers, albeit to a much lesser extent. Don Yendle, President of Conway Stewart Ltd also comments on this discussion. What is not covered here is the Japanese producer of Casein wh
