Bechstein hammer bore

John Delacour JD at Pianomaker.co.uk
Sat Feb 16 12:36:11 MST 2008


At 09:40 -0500 16/2/08, Farrell wrote:

>Or, use an electronic angle gauge, do it in a bout 8 seconds, and 
>you don't even have to level the piano!

How many seconds to get a 51mm gauge standing flat on a unison 48mm 
long with a frame-bar in the way?

JD




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