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 127
\/ and (B. I. pr. 24.) FIGURE II.Let the given lines be —— and ——>which either are at different fides of the centre,or interfec~t; from the centre draw ......—— and ------ _L and 9 make ........ zz -••--, and draw ——— J_ >— •-—. FIGURE II. … Since and the centre, but ■ are equally diftant from (B. 3. pr. 14.); [Pt. i.B. 3. pr. 15.), Q. E. D. 96 BOOK III. PROP. XVI. THEOR.
Geometry
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.