Tech Tangents

youtube.comchannel

added

2026-10-12

likes

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from this channel on dogear

1. ▲
   Tech Tangents: Plotting For The First Time - HP 7470A youtube.com

   video · 31 min · Tech Tangents category #plotters link ↗

   Nice video showing an HP 7470A operated from an HP 85 computer.

   
2. ▲
   Tech Tangents: Gold Standard Plotter - HP 7475A youtube.com

   video · 33 min · Tech Tangents category #plotters link ↗

   Video with some HPGL and plotter history, plus operating an HP 7475A from an IBM 5160 microcomputer.

   

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