I think Chuck is referring to something pre-Telrad. Seems somewhat familiar...
On Friday, February 12, 2016, Seth Mattinen <se...@rollernet.us> wrote: > On 2/12/16 08:35, ch...@wbmfg.com wrote: > >> Remember the days of posting about the works through solid rock product >> he was pitching. Which product was that and did the testing ever prove >> out? >> > > Telrad? > > >
