Barrow, Isaac, 1630-1677, Child, J. M. (James Mark), tr · Chicago, London : The Open court publishing company · leaf 186
Fig. 166. General Foreword. — Let ACB be a quadrant of acircle, and let AH, BG be tangents to it; in HA, AC pro-duced take AK, CE each equal to the radius CA; let the * Observe the words of the opening paragraph which I have italicized. i66 BARROWS GEOMETRICAL LECTURES hyperbola KZZ be described…
Geometry
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