Comment on Pens in Space
jqubed@lemmy.world 2 weeks agoFisher’s claim to fame before inventing the Space Pen was inventing a universal replacement ink cartridge. You can even put the space pen cartridge in pens from other manufacturers.
Comment on Pens in Space
jqubed@lemmy.world 2 weeks agoFisher’s claim to fame before inventing the Space Pen was inventing a universal replacement ink cartridge. You can even put the space pen cartridge in pens from other manufacturers.