Space Pen (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Space Pen" in English language version.

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forbes.com

ha.com

historical.ha.com

imgbb.com

  • You can see the original 1967 purchase order between NASA and Fisher Space Pen "here".

nasa.gov

history.nasa.gov

patents.google.com

  • US Expired - Lifetime US3285228A, "Anti-gravity pen", published 1966-11-15 

physics.org

  • "Is it true that NASA spent thousands of dollars developing a space pen, whereas the Russians just took a pencil?". physics.org. Archived from the original on 28 January 2013. Retrieved 2 November 2012.

scientificamerican.com

seinology.com

snopes.com

spacepen.com

thewritersedge.com

thinkpat.blogspot.in

web.archive.org

  • "Is it true that NASA spent thousands of dollars developing a space pen, whereas the Russians just took a pencil?". physics.org. Archived from the original on 28 January 2013. Retrieved 2 November 2012.
  • "... And Today: MIR Cosmonauts Use Fisher Space Pens For Their Writing Needs". Archived from the original on October 30, 2014. Retrieved September 23, 2013.
  • "Just the FAQ Ma'am". Archived from the original on October 4, 2013. Retrieved September 23, 2013.
  • "The Story Behind the Fisher Space Pen". Archived from the original on October 30, 2014. Retrieved September 23, 2013.
  • David, Larry (October 2, 1991). "Script: Episode 20 - The Pen". Seinology.com. Archived from the original on November 9, 2012. Retrieved April 30, 2013.