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Techmoan: Season 2018

2018x16 RetroTech: Recordable Paper - The 3M Sound Page

  • 2018-04-13T05:30:00Z on YouTube
  • 17m
  • United Kingdom
  • English
  • Documentary
In this video I take a look at a multimedia educational format from the 1970s, the 3M Sound Page (AKA Ricoh Synchrofax)
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