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 By Oliver Byrne
London: Pickering, 1847. First edition. Hardcover. 268 pages. 25 x 20.5 cm. The stark use of primary colors was envisaged by Byrne as a teaching aid. "Each proposition is set in Caslon italic, with a four line initial engraved on wood by Mary Byfield: the rest of the page is... More
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