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* [[Media:7104_maintenance.pdf|7104 maintenance document]], p.30+ | * [[Media:7104_maintenance.pdf|7104 maintenance document]], p.30+ | ||
* [[T7101]] | * [[T7101]] | ||
* [[Patent US 4142128A|US Patent 4142128A – Box-shaped scan expansion lens for cathode ray tube]] ([[Conrad Odenthal]]) | |||
* [[Conrad Odenthal]], ''[[Media:Conrad Odenthal - A box-shaped scan expansion lens for an oscilloscope CRT.pdf|A box-shaped scan expansion lens for an oscilloscope CRT]] (1977) | |||
* [[Media:Box lens design being tried by Tektronix in experimental CRTs.pdf|Box lens design being tried by Tektronix in experimental CRTs]] (1977) | |||
==Pictures== | ==Pictures== |