hard rubber


Mr. George H. Sackett designed a pretty poor pen. Of course that sounds harsh a 124 years after the fact, but I’ve been examining the results of his fertile imagination and have come to that conclusion. Before discussing this curiosity more let me say I can’t blame him too much since early fountain pens are [...]

Restoring Black Hard Rubber Using The World’s Longest Acronym

There’s no way getting around the fact that a lot of vintage pens are made of hard rubber. Before the dawn of plastics it was one of the best materials for the job. Light and strong it’s made when rubber is mixed with sulfur and then cured by heat. Once it’s lathed into a cap [...]