Check out the bookstore at IRBS.com
| Home | Mailing Lists | Bookstore | Weather | Tide Predictions | Bowditch |

Re: Timing Lunars with a Rock

From: Frank Reed (no email)
Date: Tue Jul 19 2005 - 17:41:33 EDT

  • Next message: Frank Reed: "Re: Timing Lunars with a Rock"

    "I suppose a sandglass has at least the same precision
    as a crude pendulum discussed above."

    Much easier to make a pendulum from scratch!

    -FER
    42.0N 87.7W, or 41.4N 72.1W.
    www.HistoricalAtlas.com/lunars

  • Next message: Frank Reed: "Re: Timing Lunars with a Rock"



    | Home | Mailing Lists | Bookstore | Weather | Tide Predictions | Bowditch | Trawlerworld |