СО

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,

CIVIL AND MECHANICAL ENGINEER

“Knowledge is power."

4

PHILADELPTERIT
HENRY CAREY BAIRD,

SUCCESSOR TO E. L. CAREY,

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 tha

Eastern District of Pennsylvania.

STEREOTYPED BY L. JOHNSON AND CO.

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