Tutorials
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Don’t mix your inks
A good posting about the dangers of mixing… If you’re not part of the solution, you’re part of the precipitate.
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Home-made kit
NOTE: I’ve designed a newer version of this coupler, which can be seen on this page. All of the wooden pens I’ve made so far have been based on heavily-modified...
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Stretch Vacumatic patent
Johannes Iversen patented the “Stretch Vacumatic” filling system for fountain pens in 1939 in the USA. I’ve made a posting that describes how to repair such a pen which can...