FOR

LOCOMOTIVE ENGINEERS

AND

MACHINIŞTS:

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."

PHILADELPHIA:
HENRY CAREY BAIRD,

SUCCESSOR TO E. L. CAREY,

1852.

Reed us

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.