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

Proportional logarithms

From: Henry C. Halboth (no email)
Date: Wed Aug 25 2004 - 09:53:10 EDT

  • Next message: Henry C. Halboth: "Re: Proportional logarithms"

    This is particularly addressed to George, Fred, or one otherwise
    experienced in short methods for clearing Lunar Distances, or perhaps in
    the use and construction of proportional logarithms.

    I am working on an otherwise undiscussed short clearing method, circa
    1820, which I intend to post for discussion, and am having some
    difficulties verifying certain tables then published therewith, which
    include the use of proportional logarithms. For example ....

    A table of logs entered with the Sun'


  • Next message: Henry C. Halboth: "Re: Proportional logarithms"



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