CPT Cassetype 4200

From Lexikon's History of Computing (http://www.computermuseum.li/Testpage/01AboutThisEncyclopedia.htm) Master Chronology (http://www.computermuseum.li/Testpage/01HISTORYCD-Chrono1.htm) "1971 (May) CPT Corporation is founded in Minneapolis, Minnesota. Its first product is the Series 4200 word processor (to be shipped in 1972). "

CPT (Cassette Power Typing) Corporation of Minneapolis, Minnesota, produced dedicated word processing systems and was one of the best known names in such systems during the 1970's and early 1980's. The original product, the CPT 4200, was a cassette tape base memory add-on for IBM Selectric typewriters.

http://www.binarydinosaurs.co.uk/Museum/cpt/index.php http://www.computermuseum.li/Testpage/DedicatedWPMicros.htm