I wonder if there is a patent # for this change and how long it took them to go back to duplex bars. James Grebe Piano Tuning & Repair Member of Master Piano Technicians. Registered Piano Technician of the Piano Technicians Guild for over 30 years. "Member of the Year" in 1989 Creator of Handsome Hardwood Caster Cups, Piano Benches, Writing Instruments,Table Timepieces (314) 608-4137 1526 Raspberry Lane Arnold, MO 63010 Researcher of St. Louis Theatre History BECOME WHAT YOU BELIEVE! pianoman at accessus.net Jimpianowood at yahoo.com ----- Original Message ----- From: <Erwinspiano at aol.com> To: <pianotech at ptg.org> Sent: Friday, June 29, 2007 8:36 AM Subject: Re: Fw: unduplexed Steinway > > James > I've rebuilt many of these & the stringer always loves not having to > wrestle with the duplexes. As to Steinways reasoning ....Who > knows...there all > dead now. It was probably a manufacturing decision. Perhaps they even > argued > among them selves as to the benefits of the rear duplex...OH MY!! > Probably made for ten years or so, not that it's important > Dale > >> This morning I tuned what appears to be a Steinway (0). This is from >> 124xxx >> serial number (1907) that has no separate duplex bars in the back scale. >> Instead there is a curved raised ridge where the duplex bars would have >> been. I have seen probably about 6 of these in my life. How long did >> these models exist and what was Steinway's reason for this change during >> this era? >> Thanks, >> James > > > > > Dale Erwin--Piano Restorations > 4721 Parker rd > Modesto, Ca. 95357 > Shop 209-577-8397 > Web site _http://www.Erwinspiano.com_ (http://www.erwinspiano.com/) > Restoration & Sales of > Steinway & Sons & other fine pianos. > " Soundboards by Design" > > > > > ************************************** See what's free at > http://www.aol.com. >
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