![TIL The Fisher Pen Co. patented a sealed, pressurised ink cartridge for the anti-gravity pen in 1966. The "thixotropic” ink is close to a solid before being stirred & as it's stirred TIL The Fisher Pen Co. patented a sealed, pressurised ink cartridge for the anti-gravity pen in 1966. The "thixotropic” ink is close to a solid before being stirred & as it's stirred](https://external-preview.redd.it/XPW7CVzafLIgPXPnHD0XnIZVgK4svwm0uUwKTuZPLAQ.jpg?auto=webp&s=b2c1ccbb004cc671bc179a037955fe3440d1a515)
TIL The Fisher Pen Co. patented a sealed, pressurised ink cartridge for the anti-gravity pen in 1966. The "thixotropic” ink is close to a solid before being stirred & as it's stirred
![The Fisher Space Pen Boldly Writes Where No Man Has Written Before | Arts & Culture | Smithsonian Magazine The Fisher Space Pen Boldly Writes Where No Man Has Written Before | Arts & Culture | Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/kE2mtvFNem7t8tAp_WUhlEOS9g8=/fit-in/1600x0/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/space-pen-631.jpg)
The Fisher Space Pen Boldly Writes Where No Man Has Written Before | Arts & Culture | Smithsonian Magazine
Fisher Space Pen - #SpacePenSaturday In 1948, Paul C. Fisher founded Fisher Space Pen Company. Today we go everywhere and write anywhere, from NASA - National Aeronautics and Space Administration to MoMA
![The Fisher Space Pen Boldly Writes Where No Man Has Written Before | Arts & Culture | Smithsonian Magazine The Fisher Space Pen Boldly Writes Where No Man Has Written Before | Arts & Culture | Smithsonian Magazine](http://blogs.smithsonianmag.com/design/files/2013/01/space-pen-patent.jpg)