[CAUT] pre-stretching new string?

[Ron Nossaman]

> Wegman and Wurlitzer (and perhaps other companies) made pianos with cast 
> iron pinblocks.  Tuning records on these pianos might reveal something.
> ES

I tune one of the Wurlitzers at too erratic intervals to 
connect details. I remember it being pretty close the last two 
times I've tuned it in the last six years, but...
Ron N