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FOR

LOCOMOTIVE ENGINEERS

AND

MACHINISTS:

COMPRISING

THE PROPORTIONS AND CALCULATIONS FOR CONSTRUCTING LOCO

MOTIVES, MANNER OF SETTING VALVES, TABLES OF

SQUARES, CUBES, AREAS, &c. &c.

By: SEPTIMUS NORRIS,
BY

CIVIL AND MECHANICAL ENGINEER.

“Knowledge is power."

PHILADELPHIA:

HENRY CAREY BAIRD,

SUCCESSOR TO E. L. CAREY.

18 54.

Entered according to Act of Congress, in the year 1852, by

SEPTIMUS NORRIS,

in the Clerk's Office of the District Court of the United States in and for the

Eastern District of Pennsylvania.

STEREOTYPED BY L. JOHNSON AND CO.

PHILADELPHIA.
PRINTED BY T. K. AND P. G. COLLINS.

TO

WILLIAM NORRIS, ESQ.

AS A TESTIMONY OF

ESTEEM AND ADMIRATION OF HIS GREAT INTELLECTUAL

ATTAINMENTS,

AND OF

HIS SCIENTIFIC AND CLASSICAL KNOWLEDGE;

This Volume,

DESCRIBING THE GREATEST WORK OF MAN,

The Locomotive Steam Engine,

IS AFFECTIONATELY INSCRIBED BY HIS BROTHER,

THE AUTHOR.

PREFACE.

In presenting this work to the Engineers of the United States, I beg they will study it with attention, as it is the result of many days' close application and research. I have taken care to present all formulas and rules in the most simple manner, so that there will be no danger of the young student being discouraged by unnecessary display of algebraical formulas, which the sight of frightens the timid. All may understand who are familiar with the simple rules of Arithmetic,-Addition, Subtraction, Multiplication, and Division. I give here the result of my experience after a study of twenty years, and for the last twelve years engaged with my senior brother, William Norris, to whom I am entirely indebted for all the infor

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