FORMULA FOR CALCULATING THE HORSE-POWER OF
STEAM-ENGINES, WATER-WHEELS, &c.

TOGETHER WITH MUCH USEFUL INFORMATION NEVER BEFORE INTRODUCED
INTO TREATISES ON ARITHMETIC.

DESIGNED FOR THE USE OF SCHOOLS AND
SELF-TAUGHT STUDENTS.

MATHEMATICAL MASTER, ST. MARK'S COLLEGE, CHELSEA.

LONDON:

JOHN W. PARKER, WEST STRAND,

M.DCCC. XLIII.

LB