PRACTICAL TREATISE

ON

RAILWAY. CURVES

AND

LOCATION,

FOR YOUNG ENGINEERS.

CONTAINING A FULL DESCRIPTION OF THE INSTRUMENTS, THE MANNER OF ADJUSTING THEM, AND
THE METHODS OF PROCEEDING IN THE FIELD,-NEW AND SIMPLE FORMULE FOR COM-
POUND AND REVERSE CURVING,―RULES FOR CALCULATING EXCAVATION AND
EMBANKMENT,-STAKING OUT WORK, &C., TOGETHER WITH TABLES OF

NATURAL SINES AND TANGENTS, RADII, CHORDS, ORDINATES,

AND OTHERS OF GENERAL USE IN THE PROFESSION.

HENRY CAREY
CAREY BAIRD,

INDUSTRIAL PUBLISHER,

No. 406 WALNUT STREET.

1869.

Entered, according to the Act of Congress, in the year 1854, by

E. H. BUTLER & CO.,

In the Clerk's Office of the District Court of the United States, in and for the Eastern
District of Pennsylvania.