The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .. (1847)
Euclid, Byrne, Oliver · London, W. Pickering · leaf 162
and y 1 In M A > common, .*. ~ ■■ and - *•— (B. 1. pr. 4 and 26.) In like manner, it may be mown alfothat ..—.—..- = —- , ■*#•••»•■•• hence with any one of thefe lines as radius, defcribe and it will pafs through the extremities of the o other two; and the fides of the given triangle, being… … O defcribe a circle about a given triangle. and ........ (B. i. pr. 10.) From the points of bifedtion draw _L «—^— and —-—
Geometry
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