I just finished putting some suff on E-bay including Technical Manuals for the Data General Nova 1200, 1210 and 1220, HDOS manual for the North Star hard drive systems, a good book on Magnaflux magentic partical inspection and a GREAT book on printed circuit boards by Clyde Coombs of Hewlett Packard. see <http://cgi6.ebay.com/aw-cgi/eBayISAPI.dll?ViewSellersOtherItems&userid=rigdonj> Joe