[pianotech] Bass Unison Tuning Trouble Teaser

[Ed Foote]

  >>Special recognition to whomever can correctly identify the cause(s) 
of
bass unison tuning trouble on this piano (see picture below).

  When you gotta go, you gotta go!  It may have been the only thing to 
do at the time.
 I've been there.
Ed Foote