David, It has the rather typical hammer butt spring arrangement that pushes the hammer back... not spring and loop (which I suppose actually pushes, too... it just kinda seems more like a pulling activity.) Paul Bruesch On Wed, Jan 27, 2010 at 5:36 PM, David Boyce <David at piano.plus.com> wrote: > That's very interesting Paul. > > In the local theatre in one of the rooms there used to be an old Brinsmead > straight-strung upright with a similar jack. It's the only action of that > type I've seen. Same idea - no tape, but a kind of inverted heel arrangement > at the top of the jack, designed to engage with the hammer butt. Like you, > I've not yet photographed it. It must have been a design idea current at > one time, for Brinsmead were an English make, and I doubt if they would > ever have used WNG action parts. The piano has remarkably good tone for > its age and type, I might say. > > Best regards, > > David Boyce. > > PS, when I think about it just now, it might be a spring and loop action, > which would explain the lack of bridle tapes. But it defintely has the odd > jack shape. I must go and take photos! Did you check the Conover for spring > & loop? > > > > I tuned an old upright by Conover this morning, serial number 9880, which >> places manufacture date in late 1880's. >> >> One thing I found rather remarkable about it (besides the remarkably loose >> pins!) was the action. I noticed there were NO bridle tapes at all. Further >> inspection revealed 1877 and 1878 patents by Wessell, Nickel, & Gross, and a >> rather "catchy" (if you will) hook on top of the jack which projects into a >> hold in the rear of the hammer butt. >> >> Of course I pulled out my camera to take a photo. Of course, the battery >> was dead. >> >> I will probably be re-visiting the piano in May or June so I'll get photos >> then... but meantime, how widely was this action used? Any issues? I didn't >> have to pull the action, so I can't honestly speak to its efficacy. Anyone? >> >> Paul Bruesch >> Stillwater, MN >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100127/3b0d9505/attachment.htm>
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