Rhythmicon
Rhythmicon is a drum machine.
Overview
Electronic drum machine.
In detail
Rhythmicon is a drum machine.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Rhythmicon”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q927078: Rhythmicon
Consult the source