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Full Version: The oldest Hewlwtt-Packard IC,s never die.
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I would like to teach what I did when I was young....
This plane was the first of four I made more than 30 years ago with defective and scrap HPchips.
This is an old plane model I made with IC,s of the Clasic and Woodstock pocked calculator series. This plane has a HP-67 card reader motor built inside that moves the propeller and is battery-operated 1.5 V.
Note. you can see all IC,s remain unchanged over time, without any degradation or corrosion.
Thanks for looking ... soon teach the following model: Lockheed F-104 Starfighter.