A CATECHISM OF THE STEAM ENGINE

IN ITS VARIOUS APPLICATIONS TO MINES,
MILLS, STEAM NAVIGATION, RAILWAYS,
AND AGRICULTURE.

WITH

PRACTICAL INSTRUCTIONS FOR THE MANUFACTURE
AND MANAGEMENT OF ENGINES OF EVERY CLASS.


BY

JOHN BOURNE, C.E.


_NEW AND REVISED EDITION._


[Transcriber's Note: Inconsistencies in chapter headings and numbering
of paragraphs and illustrations have been retained in this edition.]


PREFACE

TO THE FOURTH EDITION.

For some years past a new edition of this work has been called for, but I
was unwilling to allow a new edition to go forth with all the original