NORTH STAR

Locomotive built by Norris Brothers for the Syracuse & Utica Rail Road 1851. with Septimus Norriss Patent Direct Action Variable Expansion Valves.

FOR

LOCOMOTIVE ENGINEERS

AND

MACHINISTS:

COMPRISING

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.

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.