My Rapidograph Technical Pens Submitted by RP on December 8, 2012 - 9:29pm My Rapidograph Technical Pens do not use a cartridge. They fill from a bottle much like these Isographs. They do have a screw-on ring to hold the reservoir in place. répondre
My Rapidograph Technical Pens do not use a cartridge. They fill from a bottle much like these Isographs. They do have a screw-on ring to hold the reservoir in place.