There's Roher & Klingner's Submitted by Julia on September 22, 2019 - 7:38pm There's Roher & Klingner's Erkarapid (https://www.amazon.it/Rohrer-Klingner-erka-rapid-Serbatoio-dInchiostro/d...) that works very well in the same way with a number of inkwells (Pelikan, Oktopus, Waterman, I'm not sure about Herbin, not the big Diamine). reply
There's Roher & Klingner's Erkarapid (https://www.amazon.it/Rohrer-Klingner-erka-rapid-Serbatoio-dInchiostro/d...) that works very well in the same way with a number of inkwells (Pelikan, Oktopus, Waterman, I'm not sure about Herbin, not the big Diamine).