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<DIV>The heads were made in 10 mil or 5 mil versions. The speeds were 15
or 7.5 inches per second respectively. A mil is a 10 thousandth
of an inch. Now there was an attempt to create a longer lasting head that
started with a wider head that was then trimmed to the actual head width.
I think there was a 6 mil version for 7.5 and an earlier message dealt with the
15 version.</DIV>
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<DIV>It is interesting that there were so many of the same machines for sale on
the auction site. I can not see having that many around and it seems like
a lot of money tied up in junk.</DIV>
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<DIV>Chris Hill</DIV></FONT></BODY></HTML>