<<Check out the slide rule and circular calculators at http://www.moonstick.com/>>
I have a moonstick sliderule and it works well, but beware that it uses the calendar change from Julian to Gregorian as happening in 1582.
So, take care if you live in one of those countries where it didn't. Mike Shaw 53º 21' N 3º02' Wwww.wiz.to/sundials
--------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
