ん

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."

PHILADELPHIA:

HENRY CAREY BAIRD,

SUCCESSOR TO E. L. CAREY,