ARGGH!! I just finished reinstalling the harp in a 1928 Monarch
upright player piano, installed the bushings and am ready to restring
it. Last night, I discovered that my kids trashed the paper on which
I had written the stringing scale, and the height of the downbearing bar.

Does anybody have a reference that lists the scale for this piano, or
any rough idea of how high the downbearing bar should be from the plate?

As a side note, I used Craig Brougher's idea of using epoxy to rebuild
the bridges, and it seems to be very solid. A number of unisons were
badly split. I sanded the bridge flat and restored all the contours.
I then drilled the pin holes deeper to accept longer pins. I sprayed
new pins with mold release, dipped them liberally in slow-set epoxy
as well as applying epoxy liberally in each hole. I then inserted each
pin to proper height, and brushed epoxy into the indentations left by
the old strings.

I let this set for a month, and then removed all of the old pins with
a pair of vice grips. A quick twist and they pulled right out. I then
carefully resanded the bridge until it was perfectly flat. I then
carefully reshaved the bridge with a chisel, making sure that the cut
was exactly in the center of the pin holes, correcting the poor work
of the original manufacturer.

I then used sand paper and chisel to remove excess epoxy from the sides
of the bridge. I then recovered the bridge with a heavy coat of graphite
from a soft artist's pencil, and began the installation of the permanent
pins. I threw away the previous set of pins that were damaged by removal,
and installed a final set that were tapped in to the correct height. As
a final measure, I applied cyanoacrylate lightly around the base of the
pins, and it was absorbed quickly into the wood. After letting this sit
and harden over the summer, it appears to be sound and strong.

                                              Larry Mayo