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An appendix to the Elements of Euclid, in seven books : containing forty-two moveable schemes for forming the various kinds of solids, and their sections, by which the doctrine of solids in the eleventh, twelfth, and fifteenth books of Euclid is illustrated, and rendered more easy to learners than heretofore ... (1765)

Cowley, John Lodge, 1719-1797, Cadell, T. (Thomas), 1742-1802 · London : Sold by T. Cadell, bookseller in the Strand · leaf 20

An illustration from An appendix to the Elements of Euclid, in seven books : containing forty-two moveable schemes for forming the various kinds of solids, and their sections, by which the doctrine of solids in the eleventh, twelfth, and fifteenth books of Euclid is illustrated, and rendered more easy to learners than heretofore ..., 1765, leaf 20
two pyramids fo*formed will be filled exactly by folding together the pyramid containedunder the triangles marked 8, 9, 10, in fuch fort that E be connectedwith A, and F with B; thus is the whole prifm completed, and the fec-tions above defcribed clearly feen, N. B. When the lafiVmentioned pyramid…

Euclid · Geometry, Solid

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