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@volkadav ("Mike Jackson (see also: @volkadav@hachyderm.io)") retweeted:
@TubeTimeUS ("Tube Time (@tubetime@mastodon.social)") wrote:
Tektronix used to have their own CRT fabrication shop (the Engineering Tube Lab) for building prototypes for oscilloscopes under development. apparently, as a joke, they made two CRTs out of old coke bottles.
