Page:The Construction of the Wonderful Canon of Logarithms.djvu/31

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THE CONSTRUCTION OF
THE WONDERFUL CANON
OF LOGARITHMS; (HEREIN
CALLED BY THE AUTHOR
THE ARTIFICIAL TABLE)
and their relations to
their natural
numbers.

1.A

Logarithmic Table is a small table by the use of which we can obtain a knowledge of all geometrical dimensions and motions in space by a very easy calculation.
IT is deservedly called very small, because it does not exceed in size a table of sines; very easy, because by it all multiplications, divisions, and the more difficult extractions of roots are avoided; for by only a very few most easy additions, subtractions, and divisions by two, it measures quite generally all figures and motions.
1.It is picked out from numbers progressing in continuous proportion.

Of