History of Slide rule

	Revision 10 . . (edit) November 19, 2001 12:49 am by (logged).177.52.xxx
	Revision 9 . . November 18, 2001 6:23 am by Wmorrow
	Revision 8 . . November 18, 2001 5:45 am by The Anome [Mentioned slide rule collectors]
	Revision 7 . . November 18, 2001 5:45 am by The Anome [Mentioned slide rule collectors]
	Revision 6 . . (edit) November 18, 2001 5:35 am by The Anome [added more external links]
	Revision 5 . . November 18, 2001 5:31 am by The Anome [Link to slide rule article at hpmuseum]
	Revision 4 . . November 18, 2001 5:29 am by The Anome [-> abacus]
	Revision 3 . . November 2, 2001 10:56 pm by (logged).203.83.xxx
	Revision 2 . . (edit) November 1, 2001 11:43 pm by Bryan Derksen [speling ficksed]
	Revision 1 . . (edit) November 1, 2001 5:15 pm by (logged).37.81.xxx [moved from Slide Rule]

Difference (from prior major revision) (minor diff, author diff)

Changed: 13c13

Exotic slide rule designs included circular? and helical? slide rules, the last designed for calculations needing greater precision.

Exotic slide rule designs included circular? and helical? slide rules, the latter designed for calculations needing greater precision.

Added: 17a18

* [Four Figure Tables]?