Aaron, It may be quite possible that the action was produced before the piano case was made, I believe M&R made their own actions at that time, before the Sterling actions were introduced. As for the other numbers, I got 1921 and 1912 respectively, so I'm inclined to agree with the 1912 number. As for the plethora of other numbers, with player pianos, there tends to be all kinds of case & part numbering schemes, who knows!! Regards, Rob Kiddell R.P.T., P.T.G. C.A.P.T. Student Edmonton, Canada http://www.planet.eon.net/~atonal/atonal.html
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