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Item 51 & 52, the Tektronix 650 color monitor
This model would be worthy of a thread, they were so extremely over engineered
The 4 knobs had detent position called Cal (calibration preset)
Used early Sony Trinitron picture tube that only had around 300 lines H resolution
But had massive complexity & number of ICs and used digital countdown to derive H & V sync
(a long time before consumer sets did this with LSI chips)
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