Steinway Balance Rail Bearings

[Yardarm103669107@AOL.COM]

In a message dated 3/23/2001 8:29:47 PM Central Standard Time, 
kam544@flash.net writes:

<< The date listed for this patent is September 4, 1936 >>

This is essentially correct, except that my understanding is that some pianos 
from 1935 got made with the "accelerated action" including the roller bearing 
balance rail. 
I have been known to be wrong, though. :)
PR-J