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<DIV>Apparently, William Oughtred in the 1630's.</DIV>
<DIV><A href="http://en.wikipedia.org/wiki/Slide_ruler#History">http://en.wikipedia.org/wiki/Slide_ruler#History</A></DIV>
<DIV><A href="http://mysite.du.edu/~jcalvert/tech/slidrul.htm">http://mysite.du.edu/~jcalvert/tech/slidrul.htm</A></DIV>
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<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message -------------- <BR>From: rcmaster199@aol.com <BR>
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<DIV>Anyone know who invented the thing??</DIV></BLOCKQUOTE></body></html>