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by dtgriscom
957 days ago
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Sounds like the TRS-80 Screen Printer. A roll of aluminized paper was bent into an arc around a spinning drum with high-voltage wipers. Voltage pulses on the wipers would burn away the aluminum, revealing the dark background paper. Very fast, very strange. |
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http://www.trs-80.org/trs-80-screen-printer/
Weird. 4 inches wide. Printed the contents of the screen and nothing else. Connected directly to the bus by an edge connector (no card or serial or parallel connection).