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 132
s at „.„|, it is plain thatthe ftraight line mmm™ J_ ———the radius, will be the required tan-gent (B. 3. pr. 16.) But if the given point outfide of the circumference, draw — be from it to the centre, cutting draw concentric withthen o ( J; and - , defcribe radius zz •■—, will be the tangent…
Geometry
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
