Fisher Space Pen, model AG7
Space Technology
1969
ball-point pen, Fisher Space Pen, model AG7, (the Astronaut Pen or Anti-Gravity pen) as used by Neil Armstrong on Apollo 11, 1969, with tungsten carbide tip, hermetically sealed and pressurised ink reservoir, patented 1965 (#3,285,228: Anti-Gravity Pen) developed by Paul C. Fisher