Vintage Cornell-Dubilier Electronics CDR Ham Rotor Owner's Manual for Model HAM-M. Covers specs, checking the control unit and rotator, servicing the control unit, Disassembly, final reassembly, trouble shooting suggestions, possible field modifications, and more.  Nice condition, just number 62927 written in pencil and very small in the upper right corner, seephotos.  In the US, combine with other auctions to save on shipping.