The Pennsylvania magazine of history and biography . 394 Perm versus Pe?tn versus Baltimore. 395 In the Triangle w a p. right angled or oblique these\vi)l be had wa, pa,, and the angle a to find w p anda w p. then a w c—a w p = c w p Fig. 1st and a w c, +a w p. = c iv p. Fig. 2d Again in the ohlic angled Tri-angle c w p. there will be given c w. w p and c W p. tofind w c p ., w p c. and p c. Then in the right angledTriangle c i p. there will be given t c, p c. to find t c t p. the Length of the Tangent Line. Then t c p. —wc p. = t c iv. in fig 1st and w c p. — t c p. = t c w.

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The Pennsylvania magazine of history and biography . 394 Perm versus Pe?tn versus Baltimore. 395 In the Triangle w a p. right angled or oblique these\vi)l be had wa, pa,, and the angle a to find w p anda w p. then a w c—a w p = c w p Fig. 1st and a w c, +a w p. = c iv p. Fig. 2d Again in the ohlic angled Tri-angle c w p. there will be given c w. w p and c W p. tofind w c p ., w p c. and p c. Then in the right angledTriangle c i p. there will be given t c, p c. to find t c t p. the Length of the Tangent Line. Then t c p. —wc p. = t c iv. in fig 1st and w c p. — t c p. = t c w. inFig. 2d Whence the Course from c. to t. is known and conse-quently the true Course of the Tangent line t p. lastlyin the Isosceles A tv c t, there is given w c, t c. andall the angles to find w t} whence you will have theCourse and Distance from w. to t. 19ih 9mo Tliis Day at 10ho the Com met at the CourtHouse in the assembly Chamber and taking into Con-sideration the Method of Euning and Measuring the12 Miles west from New Castle Center. The Commis-sioners of L

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