does not look like the HP units we had..... another case is the motorola teleprinter see the photo of it on the teleprinter slide rule _www.smecc.org/motolola_government.htm_ (http://www.smecc.org/motolola_government.htm) this unit also appears in the Motorola 1961 annual report. Keep me in the look on this marksense card reader I want to know more Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 3/24/2016 1:02:25 A.M. US Mountain Standard Time, silent700 at gmail.com writes: http://chiclassiccomp.org/docs/index.php?dir=%2Fcomputing/Motorola