Trenchworker

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About Trenchworker

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  1. MSDS for repaired instruments?

    Thanks for the offer, Jim, I can probably do it myself (I was an environmental chemist in one of my previous lives and dealt with a number of MSDSs) but I was curious whether there was really such a sheet for repairing violins. Never heard of it in violin-making school or thereafter. Must be a new reg, as it hasn't appeared on any previous purchase orders I have received. Which is why I wanted to know if anyone else has met up with this. Or perhaps a new bureaucrat wants to show his/her worth. I'll send them a letter of inquiry, to satisfy my curiousity. Just a cranky thought, but why is there no MSDS required (as far as I know) for bottles of soda pop, some brands whose pH values are around pH 2.3, which destroys tooth enamel and dentine? The last question is rhetorical.
  2. MSDS for repaired instruments?

    Do any of you work in a state that requires Material Safety Data Sheets for repaired stringed instruments? !!! Is the hazard from dried glue and/or dried varnish or from string tension or hexes from evil luthiers? I have just received a new Purchase Order for instrument repair with this statement in capital letters: THE LAW REQUIRES MATERIAL SAFETY DATA SHEETS FOR PRODUCTS ON THIS ORDER. PLEASE ENCLOSE WITH INVOICE. I couldn't find anything relevant on the Internet except for tools.
  3. Looking for spatula

    Ebay has all kinds and sizes (for cake, butter, cosmetics, paint palettes, etc), inexpensive, but as might be expected on Ebay, you pays your dime and takes your chances.
  4. Looking for spatula

    Try Cole-Parmer.com, a laboratory supply house. Item SK-06369-15 is a stainless steel spatula with hardwood handle, 7 and 3/8 ", $31.50. Lab supplies are usually more expensive than elsewhere, e.g., flea markets or hardware stores, but finding such a spatula takes time.
  5. Projected fb height at cello bridge

    Thank you, Brad H.
  6. Projected fb height at cello bridge

    For a 3/4 size cello, what should be the fingerboard projection at the bridge?
  7. Honed Bliss

    Mostly I run into trouble when cutting bridges.
  8. Honed Bliss

    The only thing worse than forgetting to sharpen, is to believe that one more time to use a knife wouldn't make much difference!
  9. What I found inside my viola this morning

    Maybe it was put in on purpose to provide support for sagging plates. After all, if a bridge can withstand the stress of strings......
  10. What's the Name of Your Violin?

    I never named the violins I owned as a child or an adult, until I made my first one. I named it "Patch", for an obvious reason, and kept it for myself. After Patch, I started naming the violins I made after each grandchild, until I realized I could never sell any violin so named. So I stopped naming my violins, and "Patch" remains the one and only.
  11. Surface gouge repair

    FiddlerDoug, you gave me "sticker shock". As a last resort, I may suggest something "small and tasteful", if the layers technique doesn't turn out well. So far, I've had a couple of "do-overs". Thanks to all for responding.
  12. Surface gouge repair

    Thank you, David, I'll try to track down some of Iris Carr's work. I had not known of her before. FiddleDoug, were you serious about the sticker? Actually I thought of that, too, but decided to let the music director choose the sticker. I doubt if I have the expertise to do grain lines so it looks good, but many layers seems to be the best approach. Chung, I'll send you a pic however it turns out. Thanks to all for responding.
  13. Surface gouge repair

    It matters to me if it looks good. The fact that the music director wants it fixed means she wants it to look at least better. It is playable as it is without fixing but she wants it done. It's not turning into a job more than it was to begin with.
  14. Surface gouge repair

    A 4/4 school violin (made in Germany) came in for repair of a large (about 5 cm x 3 cm irregular area) gouge on top, treble side lower bout. Gouged splintery hole does not go through the spruce. I thought of repairing it as an inverted sound post patch, requiring plaster mold, etc., but the music director does not want to pay that cost. She suggested wood fill. So I tried that, sanded it, and it looks and feels pretty good except for the color difference between the patch and the normal top surface. I doubt if this is a long-term fix, as vibration might shake the whole plug loose. I would appreciate any comments or suggestions for a fix that could be satisfactory for the client, i.e., playable and inexpensive. Thanks.
  15. If only it were really like this...

    https://m.youtube.com/watch?v=fj6r3-sQr58