I am going to be replacing the hammers and shanks on a 1939 Steinway 'S' and possibly the wippens too. All parts are original. Vertigris is quite evident in the hammer flanges and they are very stiff. The wippens appear much less affected though I did not have the time to do a thorough inspection. I assume that these will eventually develop a vertigris problem as well and am looking for some confirmation that I can pass along to my customer. Thanks for your responses to my previous post on hammer bore distance. Though the hammers in question have been on the shelf now for 3 years , Alice at Renner could not have been more attentive and willing to do what she could to help out . Cal Munson
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