Dear Ted, I used to get all my supplies from Trefz years ago. Wish they were still around! I used a number of their bottles of pin driving fluid and it did work nicesly. Years asfter their fire I was talking with Ed Trefz and asked him about the pin driving fluid. He was still selling it then, and may be now although I am not sure if he is still alive or in business. I see he is no longer listed in the PTG Directory. At any rate, I asked him what was in the fluid and he said it was just pure varnish. That would be pure gum varnish. Since then I have used just pure gum varnish and it works perfectly. Just like Trefz pin driving fluid - perhaps because that is what is was! Ed Hilbert, RPT On Thu, 23 May 1996, Ted Simmons wrote: > I know a fellow who insists on adding drive pinning fluid to Yamaha grands > before driving in new pins. He says it's essential to ending up with a > good tuning pin feel during tuning. I've tuned pianos that he has restrung > and I like the feel of the tuning pin. Otto Trefz used to supply tuning > fluid fluid, but I don't know where to get it now. Anyone? > > >
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