I started a semi-apprenticeship in rebuilding with Tim Upton two weeks ago.  Right now I am working on a grand action.  Started by sanding and reshaping hammers and then voiced them up a bit to bring some power back to the piano.  It has a beautiful finish now, it is a 1927 Howard Grand make by Baldwin grand.  We will move on to more regulation this week.  I am about to watch the 37 steps to regulation from the Yamaha  technician the Jack gave me yesterday.  I will post some pics of the hammers later.  We also added a new green hammer rail felt.