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Edier T no 148.04, 700

1854. april.es :

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Gitto hers. N.Q. Havere

N. je

Portsmouth N

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ENTERED IN STATIONERS HALL.

Edinburgh,
Printed by A. NEILL & Co.

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و لم ت

PR EF A C E.

T is a remarkable fact in the history of science,

that the oldest book of Elementary Geometry is still considered as the best, and that the writings of Euclid, at the distance of two thousand years, continue to form the most approved introduction to the mathematical sciences. This remarkable distinction the Greek geometer owes not only to the elegance and correctness of his demonftrations, but to an arrangement most happily contrived for the purposes of instruction; advantages which, when they reach a certain eminence, secure the works of an author against the injuries of time, more effectually than even originality of invention. The Elements of EucLID, however, in passing through the hands of the ancient editors, during the decline of science, had suffered some diminution of their excellence, and much skill and learning have been employed by the modern mathematicians to deliver them from blemishes, which certainly did not enter into their original compofi

tion.

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