I recently ran across this ad in an old Theatre Crafts magazine and can't figure out what "Sicodim" refers to. Back in the 1960's, I attended an Ice Capades show in Kansas City and remember seeing some dark green castered dimmer racks with "Sicodim" or "Sic-O-Dim" stenciled on them. I thought maybe it was a trade name derived from Silicon Controlled Dimming. They looked pretty industrial-strength at the time. Does anyone know anything about Sicodim?
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