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jewel movement bugs

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  • KT5X
    ... The jewel movement may be smoother, in practice may not be noticable. The older jewels were garnets, the new ones are artificial rubies. The garnets have
    Message 1 of 1 , Jan 4, 2007
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      >What's the difference between a bug with jeweled movements vs. one
      >without? Is there a huge difference? Bill - NT9K

      The jewel movement may be smoother, in practice may not be noticable.

      The older jewels were garnets, the new ones are artificial rubies. The garnets have a greater tendency to shatter.

      The pros did not like the jewel movement. If the jewel shattered, the key was out of service until a replacement could be had.

      The first jewel movement keys had a top of the frame adjustment, but since this could be fussed with by a Lid, it was eliminated to reduce the incidence of shattered jewels. What you see on the newer ones is a platic insert that is not functional.

      if bidding upon older deluxe keys, one wants to ask that the jewels be checked. Replacements are not free.

      73,

      Fred - kt5x


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