BY
H. H. CUNYNGHAME M.A. C.B. M.I.E.E.

WITH MANY ILLUSTRATIONS.

LONDON:
ARCHIBALD CONSTABLE & CO. Ltd.
16 JAMES STREET HAYMARKET.
1906.

BRADBURY, AGNEW, & CO. LD., PRINTERS, LONDON AND TONBRIDGE.

CONTENTS.

PAGE
Introduction[1]
Chapter I. [7]
Chapter II. [50]
Chapter III. [90]
Chapter IV. [123]
Appendix on the Shape of the Teeth of Wheels[187]
Index[199]