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PHYSICAL ARITHMETIC.

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BY

A. MACFARLANE, M.A., D.Sc., F.R.S.E.,

EXAMINER IN MATHEMATICS IN THE UNIVERSITY OF EDINBURGH.

“Every quantity is expressed by a phrase consisting of two components,
one of these being the name of a number, and the other the name of a thing
of the same kind as the quantity to be expressed, but of a certain magni.
tude agreed on among men as a standard or unit.”

---CLERK-MAXWELL, Heat, p. 75.

London:
MACMILLAN AND CO.

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