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Piano Action Problems in Kohler & Campbell Player
By Don Teach

[ Ref. Piotr Barcz in 250710 MMD ]

No piano made after 1900 had key dip greater than 7/16 inch. Most,
if not all, player pianos made in USA had a factory dip of 3/8 inch.

Distance of the hammers from the strings varied from 1-3/4 inch to
1-7/8 inch, with 1-3/4 used most of time in uprights.

Don Teach
Shreveport, Louisiana
musicguy440@gmail.com.geentroep [delete ".geentroep" to reply]


(Message sent Tue 15 Jul 2025, 15:46:59 GMT, from time zone GMT-0500.)

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