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
with (pr. 42.) and having one of its fides ———- conterminous with and in continuation of —^——». Produce -—— till it meets | -•-■•-»• draw prnHnpp it till it mpptc — »—■•» continued; draw I ■-» meeting produced, and produce -••»•••»• but A=T … (pr- 43-J (conft.) (pr.19. and conft.)Q. E. D.
Geometry
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