Torbjörn Zethelius

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About Torbjörn Zethelius

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  1. According to The Brompton's Book of Violin and Bow Makers, there was a Karl Johan Engström, born 1879 in Ven, Sweden. Perhaps this Gust(-av?) was related to him? The colour is quite Swedish looking for the time. Maybe he was a Swedish immigrant, I'm speculating.
  2. Thanks for the interesting observation, Kevin. The marks seem to correspond with musical intervals. Considering that the distance between the upper and lower blocks correspond with the original vibrating string length, it makes sense IMO. I found the following intervals: small second, small sext, small ters, big nona and (of course) the octave. Are there more? P.S. I will argue that this distance (the vibrating string length) is the starting point for the design of the violin.
  3. This part is commonly made fairly straight. Its development follow from the angled template (first turn) to the width at point B.
  4. They are straight looking to the eye, but not necessarily by the straightedge.
  5. I wrote an article about how to measure out the scroll and pegbox in The Strad's Trade Secrets. If you manage to follow it then from there it should be easy to make a template. Strad's templates were made for a busy workshop IMO. A lone maker doesn't need it. I have made a storey stick with the essential measurements, the same as marked out in my article. Carving a scroll using angular templates.pdf
  6. The "Chanot-Chardon" is a converted viola d'amore if I remember correctly.
  7. Absolutely true IMO. We can see also that the Baroque shape of the violin and its neck and fingerboard has a much more organic feel to it than the modern neck set which is rather mechanical.
  8. LOL Great! Thanks for sharing.
  9. The form of the final object is dependent on the science of the day, wether it's true or false. IMHO
  10. We do know that Stradivari's step children in his second marriage were the grandchildren of the architect Alessandro Capra. I think I got that right.
  11. At least we do know which theories were in swing. True or false; we can make some deductions about their theories.
  12. That's what I called the 'bread loaf' in my first article from 2006. I guess it's called the barrel arch nowadays.
  13. It's extremely thin. Almost non existent.
  14. I coat the surface with a mix of turps and beeswax. Then polish.
  15. I have been thinking the same thing.