A Moderated Mechanical Music Discussion Group for Collectors, Technicians, Dealers, and Fans
Analysis of Piano Key Problems

 
 

1. Johan (oz*in2)

2. Johan  (g*mm2)

3. John R. (g-mm2)

Sketches:

Steinway M  (grand_MA.jpg  89 kb)

http://www.steinway.com/html/tech/tech.html      Steinway tech data page
 

bodies1.gif (4 kb)

29 March 2002

Please Support Publication of the MMD with your Generous Donation
No PayPal account required

 

SSL Certificate
by
Let's Encrypt