The Contents.Fy the Tungitade and Latilude if timo places, to find tbeir diſtanos 3 1.

Raumb 137Zy the Latitude of emo places, and the 1 to nd the feen e Lon-itude 138By aue Latitude, a and difference 1 Longitudes, t0 1 the differencesF Latitudes 139

The Contents of the chird Book of che Sector.

Chap. 1. 8 the Lines of 3: Jo mabę 4 Square 8 40 4Circle, or a Cirele equal to a Square Page 141To reduce à Cir ole or 4 Square into an equal Pentagon, or ot her 1 ſided andlibe Augled figure. 14270 find 4 righ Line equal to the cincunference F a Circle, or other partthereof 143Chap. 2. Of fle Lines of Segmente. Ta divide a Cirele into two Segments,according to 4 proportion given e or to find a 3 between à Circleand his Segments given Ibid.Chap. 3. Of the Lines of inſcriled bodies for comparing of the fides of thefive Regular bodies, with the Semidiameter A 4 Sphere wherein they 258be inſcribedChap. 4. Of the Lines of Equated Lodier, For comparing f tbe ſddes 1 15&ë Regular bodies, with the Semidiameter 4 Sphere equal to thoſe

bodies 146Chap. 5, Of the Ziner F Metals, for finding the vn portiun between ſeveralMetals in their weight and Magnitude Ibid.Chap. 6. Of the Line of the e Tangente For deſeriling f hour- lines onſeveral Planes 149Ar. S. Foſters alteration ef the eber b 157

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