T

S

R A C T

ON

MATHEMATICAL

AND

PHILOSOPHICAL SUBJECTS;

COMPRISING,

AMONG NUMEROUS IMPORTANT ARTICLES,

THE THEORY OF BRIDGES,

i

WITH SEVERAL PLANS OF RECENT IMPROVEMENT.

ALSO

THE RESULTS OF NUMEROUS EXPERIMENTS ON

THE FORCE OF GUNPOWDER,

WITH APPLICATIONS TO

THE MODERN PRACTICE OF ARTILLERY.

X

I

IN THREE VOLUMES,

BY CHARLES HUTTON , LL.D, and F.R.S. &c.

Late Professor of Mathematics in the Royal Military Academy, Woolwich.

VoL. III.

LONDON :

ITHNTED Eon F. C. AND J. RIVINGTON ; G. WILKIE AND J. ROBINSON ; J. W ALKER ;LACKINGTON, ALLEN, AND CO.; CADELI. AND DAVIES ; J. CCTHELL ; B. AND R.CROSBY AND CO.; J. RICHARDSON ; J. M. RICHARDSON; R. BALDWIN; AND. G. ROBINSON.

1812 .