Whitney Richards may have also patented the lever filling system for fountain pens before Sheaffer (so I have read). Here is a later compound lever by Whitney Richards. It operates quite smoothly, better than a standard lever in my opinion.
Whitney Richards may have also patented the lever filling system for fountain pens before Sheaffer (so I have read). Here is a later compound lever by Whitney Richards. It operates quite smoothly, better than a standard lever in my opinion.
