I had not heard of a 'push/pull dynamometer' but a Google search shows 70 results. I see that there is a very wide range of prices for such a device; can you be more specific about the type? Does anyone else use one of these rather than weights? Scott Jackson Australia ----- Original Message ----- From: Isaac OLEG oleg-i@wanadoo.fr To: "Pianotech" <pianotech@ptg.org> Sent: Wed, 7 May 2003 16:55:47 +0200 Subject: Key Weight (OT) >I have find a push/pull dynamometer to check UW/DW without having to >carry all that stuff.
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