On 11:59 AM, Susan Kline wrote: > Too bad that design did not become > standard. Too expensive to > manufacture, no doubt. > > Susan If you examine old action designs, you'll find that the "intermediate lever" between the jack and the shank is a design feature that comes and goes in piano action design history. It was first used by Cristofori... Eventually it dropped out of earlier action design, and we ended up with the single-escapement so-called "English Action" as the standard design (everywhere but where the Viennese action became the vogue), in which the jack acts directly on the shank - the sort of action you find in square pianos. So it is not surprising that someone tried this "intermediate lever" feature on the double-escapement action. And it did not catch on this time probably for the same reason that it didn't survive in the earlier designs - the action functions well enough without it... Israel Stein > > On 11/26/2010 1:22 PM, Tom Driscoll > wrote: >> list, >> One of the links in that last post >> was operative. >> https://www.moypiano.com/ptg/pianotech.php/attachments/78/e5/2b/b8/herrburger.gif >> Tom D. >> >> >> >> >> Nov 26, 2010 04:19:18 PM, >> pianotech at ptg.org wrote: >> >> Here is the link from my post in >> 2005. I couldn't get the pics to >> open . Are they vaporized? >> https://www.moypiano.com/ptg/pianotech.php/2005-May/173138.html >> >> Tom D. >> >> >> >> Nov 26, 2010 02:08:19 PM, >> pianotech at ptg.org wrote: >> >> On 11/26/2010 1:00 PM, Tom >> Driscoll wrote: >> > Jon, >> > Thanks for mentioning that >> maker. Quite a few years ago >> I posted some >> > pics on list of this action >> in a Guildemeester & Kroeger >> 6'+ something >> > rosewood grand and I >> couldn't recall the name.The >> thing was rebuilding >> > stock and not serviceable >> so I didn't get a chance to >> play around with >> > the action. I'm betting >> it's still in the guy's >> living room . >> > Tom Driscoll >> >> >> Gotta put all those pictures >> somewhere, after all. >> >> And I was about to accuse Jon >> of making that up... >> Ron N >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20101128/5f14ea57/attachment.htm>
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