http://groups.yahoo.com/group/new-england-luthiers/ New England Luthiers Wed, 22 May 2013 17:17:40 GMT Frank Hagney http://groups.yahoo.com/group/new-england-luthiers/message/5456 http://groups.yahoo.com/group/new-england-luthiers/message/5456 Lee: This has opened a fascinating can of ideas for me. For example does this phenomenon lend any additional creabitity to use of a dynamic vs reflective back? Wed, 22 May 2013 14:50:56 GMT Michael Mahar http://groups.yahoo.com/group/new-england-luthiers/message/5455 http://groups.yahoo.com/group/new-england-luthiers/message/5455 [put on nerd hat] This phenomenon was used back in the days when a pendulum clock was the most accurate clock you could get. The inaccuracies of a single clock Wed, 22 May 2013 14:49:32 GMT Tom Thiel http://groups.yahoo.com/group/new-england-luthiers/message/5454 http://groups.yahoo.com/group/new-england-luthiers/message/5454 Pete, The hydrogen peroxide reversed the stain made by the ammonia on the corner of my sitka top. No smoke, no clear indication of previous stain, possibly a Wed, 22 May 2013 14:41:10 GMT Paul Hoogeveen http://groups.yahoo.com/group/new-england-luthiers/message/5453 http://groups.yahoo.com/group/new-england-luthiers/message/5453 Hope this works for you, Steve. Meanwhile it's providing a very interesting and useful conversation for all! Paul From: new-england-luthiers@yahoogroups.com Wed, 22 May 2013 14:00:26 GMT Lee Nunes http://groups.yahoo.com/group/new-england-luthiers/message/5452 http://groups.yahoo.com/group/new-england-luthiers/message/5452 This is really cool. There are 32 metronomes that are started at different times, and they automatically synchronize in a very short time, because they are on Wed, 22 May 2013 13:48:40 GMT Tom Thiel http://groups.yahoo.com/group/new-england-luthiers/message/5451 http://groups.yahoo.com/group/new-england-luthiers/message/5451 Thank you Steve for the opportunity to leave my desk for the lab! I have overlooked the ammonia connection since Spruce doesn't have much if any tannic acid Wed, 22 May 2013 13:05:17 GMT Steve Spodaryk http://groups.yahoo.com/group/new-england-luthiers/message/5450 http://groups.yahoo.com/group/new-england-luthiers/message/5450 That cleaning routine seems excessive. Is Dan recommending it for bare wood or between coats of finish? I wonder if the wood didn't react to the ammonia? It Wed, 22 May 2013 13:02:01 GMT Tom Thiel http://groups.yahoo.com/group/new-england-luthiers/message/5449 http://groups.yahoo.com/group/new-england-luthiers/message/5449 Pete, It's hard to know what is causing the dark coloration, but with your thorough cleaning procedure, I doubt that it is from contamination. My caution about Wed, 22 May 2013 07:14:10 GMT Thomas Knatt http://groups.yahoo.com/group/new-england-luthiers/message/5448 http://groups.yahoo.com/group/new-england-luthiers/message/5448 Hello Peter, Now I see the photos, I think that the brown area may be all through the wood.  It could be a sapwood area problem, because of the matching Wed, 22 May 2013 02:51:43 GMT Paul Hoogeveen http://groups.yahoo.com/group/new-england-luthiers/message/5447 http://groups.yahoo.com/group/new-england-luthiers/message/5447 I did as well Paul From: new-england-luthiers@yahoogroups.com [mailto:new-england-luthiers@yahoogroups.com] On Behalf Of Jon Whitney Sent: Tuesday, May 21, Wed, 22 May 2013 02:25:35 GMT Jon Whitney http://groups.yahoo.com/group/new-england-luthiers/message/5446 http://groups.yahoo.com/group/new-england-luthiers/message/5446 Fir what it's worth I received the photos in the body of the message, nice and clear. Wed, 22 May 2013 01:19:27 GMT ptmaricle http://groups.yahoo.com/group/new-england-luthiers/message/5445 http://groups.yahoo.com/group/new-england-luthiers/message/5445 Apparently my pictures didn't come through. Anyone know why? Wed, 22 May 2013 01:08:18 GMT Pete Maricle http://groups.yahoo.com/group/new-england-luthiers/message/5444 http://groups.yahoo.com/group/new-england-luthiers/message/5444 I'm all for character, but this is not what I had in mind. Hopefully there are some pictures attached so you can see what I mean. What I'm concerned about is Sat, 18 May 2013 18:09:29 GMT michael mccarten http://groups.yahoo.com/group/new-england-luthiers/message/5443 http://groups.yahoo.com/group/new-england-luthiers/message/5443 amen to that. ... From: new-england-luthiers@yahoogroups.com [mailto:new-england-luthiers@yahoogroups.com] On Behalf Of Tom Thiel Sent: Saturday, May 18, 2013 Sat, 18 May 2013 15:52:27 GMT Tom Thiel http://groups.yahoo.com/group/new-england-luthiers/message/5442 http://groups.yahoo.com/group/new-england-luthiers/message/5442 Down with pound-cake soundboards, up with character!