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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 77

An illustration from The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .., 1847, leaf 77 — BOOK I. PROP. XLII. THEOR. 43 … 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.

Geometry

Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.

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