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The use of a common pen or pencil was extremely risky in early space research. There were fears that the pencil's graphite would have been damaged by the non-caffling waste. Special Fisher Space Pen was created in October 1966 to write in space. The Esto Seven Mission Commander Walter Sira shows the weight of the pen. Space museum and New York
The use of a common pen or pencil was extremely risky in early space research. There were fears that the pencil's graphite would have been damaged by the non-caffling waste. Special Fisher Space Pen was created in October 1966 to write in space. The Esto Seven Mission Commander Walter Sira shows the weight of the pen. Space museum and New York
