fter, for which there is no name nor any parallel in file world, eirlier as to extent of foil or fovereignty, is a conftruclion that cannot be fupported.

The figure produced by following the order of the lines is as under. \

N. B. If the reader will caft his eye again over the words of the patent on page 10 he will perceive the numerical relation alluded to, by obferving, that the firlt mentioned coaft line and the firft mentioned land line are diftinguiflied by Capitals. And the laft mentioned of each by italics, which I have chofen to do to illuftratct the explanation.

400 S. 2oo N.

I prefume that if four hundred miles be traced by f0! lowing the inflexes of any fea more, that the two extremes will not bemore-than three hundred miles diftant from each other, on a Straight line. Therefore to find the content of a triangle whofe bafe is three hundred miles, multiply the length of the bafe into half the perpendicular, which, in this cafe is the weft line, and the product will be the anfwer :

B