Centrum T-85

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The single-pin printer was designed and manufactured by the Mladych Elektroniku Klub Station under the auspices of the Beroun Municipal House of Pioneers and Youth. It was expected that the next production would be taken over by Tesla Přelouč. This unconventional printer, which was affordable at the time, found application in computer classrooms not only in the Beroun region

References

https://dexovo.cz/specifika-socialistickej-tlace.php (WebArchive)
https://www.schotek.cz/pmd/pmd85-periferie.htm (WebArchive)