This is an ORIGINAL pair of Cessna Series 500 Electronics Service/Parts Manuals (1960 & 1964 printing). Set has neat illustrations as well as having in-depth electrical component servicing, parts identification, adjustments, and testing information for these electrical systems.  This manual set is complete and contains about 100 clean pages. Manual set is in GOOD overall condition. Buyer agrees to pay $FREE for S & H. Thanks for viewing.............Triple K