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ERS

THE MEASUREMENT OF POWER:

A TREATISE ON THE CONSTRUCTION AND APPLICATION OF DYNAMOMETERS;

WITH A DESCRIPTION OF THE METHODS AND APPARATUS EMPLOYED IN MEASURING WATEK-POWER.

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BY

JOHN J. FLATHER, Ph.B., M.M.E,

PROFESSOR OF MECHANICAL ENGINEERING, PURDUE UNIVERSITY; AUTHOR OF AMERICAN EDITION WILSON'S " STEAM-BOILERS."

• .NEW YORK: JOHN WILEY & SON'S

53 East Tenth Street. 1892.