I have the following manuals that I am willing to save from the recycle bin, if they are worth something to someone. Offers above shipping cost will be required to make it worth my time. All are in good condition, unless otherwise noted. HP 7580B, 7585B and 7586B Drafting plotters Operators manual HP 7580B, 7585B and 7586B Drafting plotters Interfacing and Programming manual (fair condition) Citizen MSP-40/45 User's Manual Dataproducts Model 9030/9040 Operating Guide Comrex ComRiter IIE User's Guide Star Gemini-10X/15X User's Manual Panasonic KX-P3151 Operating Instructions Star radix-10 pc radix-15 pc Users's Manual (good condition w/writing on cover) Mannesmann Tally Spirit-80 Operator's Manual Star Gemini-15 Operation Manual [preliminary] (photocopy, fair condition) -Jon