LGP-30 – A Drum Computer of Significance
From the company in &quot;The story of Mel&quot;  <a href="http:&#x2F;&#x2F;www.catb.org&#x2F;~esr&#x2F;jargon&#x2F;html&#x2F;story-of-mel.html" rel="nofollow">http:&#x2F;&#x2F;www.catb.org&#x2F;~esr&#x2F;jargon&#x2F;html&#x2F;story-of-mel.html</a>