At 05:54 -0400 22/7/08, Tom Servinsky wrote: >The Mason & Hamlin uprights had a system called the "screw stringer" >system will sounds very close to what you are describing. Unusual, >but stable system. Here are some pictures of the Brinsmead screw system on a 6'3" grand, which they used for over 25 years concurrently with traditional wrestplanks on both grands and uprights. The expense must have been terrific. Dale Erwin has just restored one of these. I haven't got round to mine yet. -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080722/542c6dc7/attachment-0001.html -------------- next part -------------- A non-text attachment was scrubbed... Name: bmd_screw_3.jpg Type: image/jpeg Size: 73496 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/20080722/542c6dc7/attachment-0003.jpg -------------- next part -------------- A non-text attachment was scrubbed... Name: bmd_screw_2.jpg Type: image/jpeg Size: 54898 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/20080722/542c6dc7/attachment-0004.jpg -------------- next part -------------- A non-text attachment was scrubbed... Name: bmd_screw.jpg Type: image/jpeg Size: 57307 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/20080722/542c6dc7/attachment-0005.jpg
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