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Re: [hobbicast] Digest Number 306

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  • Sidney Morris
    ... think, and they are still there Just to keep things going I can think of a couple of ... ===== The Texas Towman --- aspiring sailor
    Message 1 of 2 , Apr 1, 2001
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      --- Bill McJunkin <wmcj@...> wrote:
      >i di some anchors in rock with sulphur once,1971 i
      think, and they are still there







      Just to keep things going I can think of a couple of
      > other things that
      > expand on cooling or freezing. . . Natural rubber
      > and molten sulpher
      > (very slightly). I have used both sulpher and a
      > mixture of sulpher and
      > carbon black, melted and poured into anchor holes in
      > stone and concrete
      > to make very strong anchors. This past week I
      > happened to find some
      > 1.25" steel cables that were anchored in granite
      > with sulpher over forty
      > years ago. I believe that bismuth has the greatest
      > expansion of the
      > solid materials.
      >
      >
      > --
      > Bill McJunkin N6FAB wmcj@...
      > That which lingers in your mind might be lost
      > elsewhere.
      > ________________________________________
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      > Neanderthal
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      =====
      The Texas Towman --- aspiring sailor

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