Comments by "eDoc2020" (@eDoc2020) on "The step-by-step, mechanical logic of old pinball machines" video.

  1. This isn't the first time he's done a video series on the workings of a pinball machine. Ten years ago he did a series on a different machine. That was before Technology Conenctions, it's on his older "Alec Connectify" (edisonphono1) channel.
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