Honeywell DATAmatic 1000 http://www.smecc.org/datamatic_1000_vol_1_the_assembly_program.htm New document on site showing in all of its glory the tape drive that reads 31 channel 3 inch wide tape. need to talk to people that had experience on this system, and of course needs more parts and books and photos for the site as well as the inhouse museum display. Thanks Ed Sharpe archivist for SMECC Please check our web site at http://www.smecc.org to see other engineering fields, communications and computation stuff we buy, and by all means when in Arizona drop in and see us. address: coury house / smecc 5802 w palmaire ave glendale az 85301