细节
BYRNE, Oliver (editor). 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, London: William Pickering, 1847. 4°, wood-engraved initials and headpieces, diagrams printed in colours (occasional light spotting and mainly marginal browning), 19th-century calf stamped in blind, spine gilt with red morocco lettering piece (extremities rubbed).