WatchUSeek Watch Forums banner

1 - 2 of 2 Posts

·
Registered
Joined
·
2,024 Posts
It's a cartridge-converter fountain pen. A proper piston-filler has the piston built into the pen, with just the blind-cap at the very top of the barrel unscrewing. Your Sheaffer has the entire barrel unscrewing, revealing the converter inside.

That said, the basic filling-principle is the same.
 
1 - 2 of 2 Posts
Top