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ON THE

TEETH OF WHEELS,

DEMONSTRATING

THE BEST FORMS WHICH CAN BE GIVEN TO THEM FOR THE

PURPOSES OF MACHINERY ;

SUCH AS

MILL-WORK AND CLOCK-WORK,

AND THE

ART OF FINDING THEIR NUMBERS.

TRANSLATED FROM THE FRENCH OF

M. ÇAMUS.

A NEW EDITION, CAREFULLY REVISED AND ENLARGED.

WITI

DETAILS OF THE PRESENT PRACTICE OF MILL-WRIGHTS,

ENGINE MAKERS, AND OTHER MECHANISTS,

BY

JOHN ISAAC HAWKINS,

CIVIL ENGINEER.

ILLUSTRATED BY EIGHTEEN PLATES.

LONDON:

M. TAYLOR, 1 WELLINGTON STREET, STRAND.

Eno, 1636.4.2.3

JUN 20 1917

TRAIN 201,
***AVODIH ! * TARY

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