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The first six books of the elements of Euclid, in which coloured diagrams and symbols are used instead of letters for the greater ease of learners (1847)

Byrne, Oliver, Whittingham, Charles, 1795-1876, Chiswick Press · London : William Pickering · leaf 253

An illustration from The first six books of the elements of Euclid, in which coloured diagrams and symbols are used instead of letters for the greater ease of learners, 1847, leaf 253 — ——^ j: -—.-««— ; — (B. 5. pr. 16). In like manner it may be fhown, that ■^i^HMiMaBH^ ■«»•«■«■«»« ^^B^i^ia^^^ iiMiJiiaiiia* and by alternation, that •■■^^■^■Ma o^^^^^^^ JJ •■■■■■■•■^ J ■■■■■■■■■■* but it has been already proved that ^a^^^^^^^m * ^MMHHWHHMM * ■■■■■■■■■■« and therefore, ex squali.…

Euclid's Elements · Geometry

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