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Everything posted by Fred48

  1. As a retired medical radiation physicist, I would be very wary of radium as it's half life is 1600 years (as opposed to tritium which is 12 years), which means it's strength won't diminish in our lifetimes for sure. So, I personally would not wear a radium dial watch 24/7 as it is close to the skin, constantly exposing with alpha, beta, and high energy gamma rays (so sticking radium hands in a typical lead box doesn't really do much), and the radiation level varies from watch to watch. Granted, it's probably small, but is cumulative over time and increases significantly the closer it gets to y
  2. Thanks guys, the bezel popped off and I'm back in business! Fred
  3. Hi all, I took Mark's courses about a year ago, and am hooked. Frustrating yes, but I've learned so much (most of all, what I don't know!). I love to acquire watches not running well or not at all, and try to revive them. Now here's my latest problem: It's a vintage Ernest Borel that I just can't get out of the case. I've removed the back and the crystal, hands, crown/stem, and all the parts accessible from the back, but the movement will not budge. Any suggestions greatly appreciated. Thanks much Fred
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