Very similar to what Segovia used, and certainly about the best there was mid-20th century, but no comparison to 1500 grit 3M silicon carbide papers.
A. John Mardinly, Ph.D., P.E. On May 7, 2019, at 2:57 PM, M Del <[1]terli...@aol.com> wrote: My first guitar teacher Rolando Valdes-Blain taught his students to use finely crushed pumice stone and leather from a deer (it happened to be a piece from a hunter friend).Rolando was old enough to play on gut strings until he came back from WW2. Sent from my iPhone On May 7, 2019, at 5:20 PM, magnus andersson <[2]maan7...@cs.dartmouth.edu> wrote: Dear collective wisdom, From what I have understood, it seems like manicure has been around since at least 3200 BC, so I assume players like Piccinini, Corbetta (who we know had to cancel one of his concerts due to a broken nail- and still pay his fellow musicians from his own pocket!) and perhaps de Visée had found a way for them to get it to work without shredding and tearing their strings apart constantly, and - to quote Piccinini: "the one, and very important [thing] is to play neatly, and cleanly; In the manner that all small touches of the string may be schietto, like pearl[s]" /Magnus On Tuesday, May 7, 2019, 10:45:44 PM GMT+2, John Mardinly <[3]john.mardi...@asu.edu> wrote: Pure speculation. Where are the facts? Can anyone document good nail polishing techniques that may have been used centuries ago? I would love to see it. Techniques used to polish things from telescope lenses and mirrors to razors would not work well on fingernails. The chamois stropping technique used by Segovia because there was not much better in the mid 20th Century would be deemed laughable today among those who play with nails. A. John Mardinly, Ph.D., P.E. On May 7, 2019, at 4:48 AM, Yuval Dvoran <[1][1][4]yuval.dvo...@posteo.de> wrote: Hahahaha good point! To add something substantial to the discussion, I'd like to remember you that also plants exist which were used for thousands of years to polish wood (and maybe also fingernails), e.g. Equisetum ("Schachtelhalm" in German).Am 07.05.2019 13:31 schrieb jslute <[2][2][5]jsl...@cs.dartmouth.edu>: Dear All: Might I suggest that a culture sophisticated enough to build lutes and craft overwound strings could have figured out a way to file and polish their nails. Jim Stimson Sent from my Verizon, Samsung Galaxy smartphone -------- Original message -------- From: John Mardinly <[3][3][6]john.mardi...@asu.edu> Date: 5/6/19 6:51 PM (GMT-05:00) To: Roland Hayes <[4][4][7]rha...@legalaidbuffalo.org> Cc: Lute List <[5][5][8]lute@cs.dartmouth.edu> Subject: [LUTE] Re: De Visee More lacking than glue-on-nails might have been some of the modern files and abrasives used to polish the nails. Badly prepared nails give a terrible result for both sound and playability. My teacher back in 1965 had studied with Segovia, and showed me how Segovia prepared his nails: after some filing, he used a wooden block with a saw-cut slot in it and a piece of chamois wrapped around the wooden block. The nail was then rubbed back and forth on the chamois over the slot, which acted as a track to guide the nail. When I began to study metallurgy and the art of cross-sectioning and polishing metals to view their microstructure, I experienced a revolution in materials to polish the nails that were quickly adopted by many people playing with nails. A. John Mardinly, Ph.D., P.E. On May 6, 2019, at 3:34 PM, Roland Hayes <[6][6][9]rha...@legalaidbuffalo.org> wrote: Do we think he played with nails? Lutenists did not as I understand, but I have always thought his lute pieces were merely arrangements of guitar/theorbo pieces. For those instruments we can establish the use of nails. And if deVisee played guitar with nails, then he most likely played theorbo with nails as well. Yes? Glue on nails had yet to arrive on the scene. Get [1]Outlook for Android This message is intended only for the use of the individual or entity to which it is addressed, and may contain information that is privileged, confidential and exempt from disclosure under applicable law. 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[39]https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cs.dartm outh.ed References 1. mailto:terli...@aol.com 2. mailto:maan7...@cs.dartmouth.edu 3. mailto:john.mardi...@asu.edu 4. mailto:yuval.dvo...@posteo.de 5. mailto:jsl...@cs.dartmouth.edu 6. mailto:john.mardi...@asu.edu 7. mailto:rha...@legalaidbuffalo.org 8. mailto:lute@cs.dartmouth.edu 9. mailto:rha...@legalaidbuffalo.org 10. mailto:i...@legalaidbuffalo.org 11. https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_ghei3 12. https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cs.dartmo 13. mailto:yuval.dvo...@posteo.de 14. mailto:jsl...@cs.dartmouth.edu 15. mailto:john.mardi...@asu.edu 16. mailto:rha...@legalaidbuffalo.org 17. mailto:lute@cs.dartmouth.edu 18. mailto:rha...@legalaidbuffalo.org 19. mailto:i...@legalaidbuffalo.org 20. https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_ghei36& 21. https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cs.dartmout 22. mailto:yuval.dvo...@posteo.de 23. mailto:jsl...@cs.dartmouth.edu 24. mailto:john.mardi...@asu.edu 25. mailto:rha...@legalaidbuffalo.org 26. mailto:lute@cs.dartmouth.edu 27. mailto:rha...@legalaidbuffalo.org 28. mailto:i...@legalaidbuffalo.org 29. https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_ghei3 30. https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cs.dartmo 31. mailto:yuval.dvo...@posteo.de 32. mailto:jsl...@cs.dartmouth.edu 33. mailto:john.mardi...@asu.edu 34. mailto:rha...@legalaidbuffalo.org 35. mailto:lute@cs.dartmouth.edu 36. mailto:rha...@legalaidbuffalo.org 37. mailto:i...@legalaidbuffalo.org 38. https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_ghei36&d=Dw 39. https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cs.dartmouth.ed