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 Repairing the card reader for a 1960s mainframe: cams, relays and a clutch 

kyle4 (-1)(1)in #crypto • 7 years ago

I recently helped repair the card reader for the Computer History Museum's vintage IBM 1401 mainframe. In the process, I learned a lot abou...



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7 years ago in #crypto by kyle4 (-1)(1)
$1.41
  • Past Payouts $1.41, 0.00 TRX
  • - Author $1.08, 0.00 TRX
  • - Curators $0.33, 0.00 TRX
6 votes
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