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Showing results for tags 'bladder'.
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Hi to all! I am writing on a new chapter about fountain pens. The particular topic is about the technical side of the ink reservoir. For most styles I have found all the information I need but not for the piston and bladder converter. The dimensions I would need are their volumes, the height/length to which they fill up and the mechanical length of the volume, which would be a smidgen longer. Sure, I could buy one each. However, so far, I have always received your help, otherwise, adding it all up, it would have been quite costly.
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Hi! I just purchased a Waterman w3 and a Conway Stewart 75 on Ebay ; the bladders need to be changed, but I don't have the pens yet, and I want to order bladders now so that I might receive everything around the same time. I looked for the dimensions online and did a search on this website, but I couldn't find for sure what size sac I should use. Some recommended sizes 16 or 18 for the w3, and one recommended the 18 for the CS 75. Is the sac size a bit flexible, do you think for example I could order sizes 17 for both pens?