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 75
O conflruSl aparallelogramequal to a given 4 triangle ■■■^Land hav- ing an angle equal to a given rectilinear angle ^. … Make —i^^^— zz ------ (pr. 10.) Draw -. Make J^ = (Pn 23*) Draw | jj ~| (pr. 31.) 4 = twice y (pr. 41.) but T = A (pr. 38.) ,V.4. Q. E. D. 44 BOOK I. PROP. XLIII. THEOR.
Geometry
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
