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 72
RIANGLES II and H ) on :f^wrt/ ^rf/^j and between •**the fame parallels are equal. Draw ...... and II > (pf- 3-- AM (pr. 36.); i . ,„, 1 but i cs twice ^H (pr. 34.), # i and ^jv = twice ^ (pr. 34.), A A (ax. 7.). Q^E. D. 4o BOOK I. PROP. XXXIX. THEOR.
Geometry
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