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 270
and mmm—mm — ....a...... • • ■■BH (B. 6. pr. 14). But = . and — = -——. (conft.) ■■■■■■■■»■■■■■■ **«■■■■■■•■■• ■■»■■■•■■■■(B. 5. pr. 7). Q. E. D. -»-■ 238 BOOK VI. PROP. XVII. THEOR. … PART I
Geometry
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
