Phil, sorry I can't help. There were those here but many years ago and them and manuals are gone. :( Andy On Jun 9, 2012, at 6:38 PM, Philip Wayner wrote: > Perhaps one of you old timers can help me. > I am looking for the owners manual for the Macbeth TR-524 densitometer. > It has been many years since I last used the Macbeth and calibrating the > probes is where I need some refreshing. I have tried the internet for a > copy of the manual without success. > > Please contact me via my e mail address. > > Pwayner@xxxxxxxxxxxxxx > > Phil >