Page:The Construction of the Wonderful Canon of Logarithms.djvu/34

10 CONSTRUCTION OF THE CANON. less of the other, and the greater of the one to the greater of the other.

Thus, in the first figure, if from the limits of ac, which are 166.7 and 166.3, you subtract the limits of bc, which are 43.2 and 43.1, the limits of ab become 123.6 and 123.1, and not 123.5 and 123.2, For although the addition of the latter to 43.2 and