Flexible collodion for voicing hammers

[S. Brady]

Ed, ether is the solvent for collodian. Flexible collodian is made of
nitrocellulose dissolved in ether. Don't fall asleep on the job!

On Fri, 3 Dec 1999 musutton@alpha.nlu.edu wrote:

> Dear List,
> 	Anyone out there know anything about "flexible collodion" for hardening
> hammers?
> 	The story is: Steinway hammers, hardened with keytops in acetone, later
> brightened by addition of flexible collodion, now the tone is "uneven."
> 	I've not seen this piano yet; it's a long trip.  What is the solvent 
> for collodion?  Can these hammers be saved?  Anybody out there have any 
> opinions?  ;)
> 	Ed Sutton
> 


_________________________________________________

Steve Brady, RPT
Head Piano Technician, University of Washington
Editor, Piano Technicians Journal