Does this manual suggest that Hallicrafters built some too? http://search.ebay.com/170137498937 On 8/6/07, Scott <scott at becklawfirm.com> wrote: > Hello All > > A military R-388 is the same as a civilian 51-J3. > > A military R-388A is the same as a civilian 51-J4. > > I have examples of both----to my knowledge, Collins built them all. > > Scott