You can fit any vintage Esterbrook nib unit into this adaptor
Uses Waterman cartridges or available converter
Brand Akkerman Ink Name 12 Mauritshuis Magenta Country of Origin Netherlands Color Pink Dry Time 50 seconds in a Pilot VP medium nib on Rhodia Flow Average Shading Low Sheen No Shimmer No Limited Edition No Water Resistance Medium Iron Gall No Ackerman
Ink Name Heliogen Green Copper Country of Origin Germany
Diamine Green Umber is a dark green fountain pen ink with low shading and a pop of dark grey sheen in large swabs
TWSBI GO - Transparent Clear Fountain Size:1.1mm You can fit any vintageTWSBI transparent Clear spring assisted piston filler fountain pen. To fill with ink: unscrew the barrel, immerse the nib and feed into ink, depress the plunger and release, clean ink residue from nib and section Nib are available in EF, F, M, B and Stub1. 1 Pen cap will post onto the back of the pen Pen cap has an inner cap to insure a perfect seal to keep the nib from drying out when not in use. Does not have a clip. Check out TWSBI Ink. These Inks