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Haeff-type tubes formed the high-speed memory of Whirlwind I but had their greatest impact in graphics and display technology, remaining in widespread use until the 1980s. Haeff seems to have been the first to store and display graphics and text on an electronic screen for an unlimited period, in 1947.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.