The manuals have been sold - thanks to all. Joe Joseph W. Lutz wrote: > > Following Tech Manuals available: > > NAVSHIPS 0901-670-0002 CHAPTER 9670 ELECTRONICS 9/67 > NAVSHIPS 0967-291-6010 PRINCIPLES OF MODEMS 1/68 - - - - - - - - - E T C - - - - - - E T C - - - - -