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hmm

The pencil lead is a misconception. Actually the lead in a pencil is graphite mixed with a bit of clay in order to achieve a certain range of hardness. Long, long ago, when I was a kid, I do recall that they used lead paint for those pencils, but that is supposed to have long been outlawed.

It's funny, but lead in paint has similar effects as lead in solder. It enables both to wet the surfaces better and the result is a smoother surface.


Stu



Edits: 08/06/07

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Follow Ups Full Thread
Follow Ups
  • hmm - unclestu52 11:46:02 08/06/07 (5)
    • RE: hmm - wlee 12:32:52 08/06/07 (4)
      • RE: hmm - unclestu52 12:43:42 08/06/07 (3)
        • BTW... - wlee 13:20:58 08/06/07 (1)
        • RE: hmm - wlee 13:18:01 08/06/07 (0)

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