55, Paternoster-Row, 1st of Sept., 1824.

MECHANICS' LIBRARY.

During the second week of September will be published!
No. I.

(Being the first of a Series of Publications adapted for Mechanics,)
A NEW AND CORRECTED EDITION OF THAT STANDARD
CLASSIC-MECHANICAL WORK,

WRITTEN BY

WILLIAM EMERSON,

ENTITLED THE

PRINCIPLES OF MECHANICS;

Explaining and demonstrating the General Laws of Motion, the Laws
of Gravity, Motion of Descending Bodies, Projectiles, Mechanic
Powers, Pendulums, Centres of Gravity, Strength and Stress
of Timber, Hydrostatics, and

THE CONSTRUCTION OF MACHINES.

Illustrated with Three Hundred and Twenty Figuresand Machines.

This Work will be printed in the first style of excellence, and will
be published in Weekly Numbers, at Fourpence each. The En-
gravings will all be copied from Original Drawings made on purpose
for this Edition.

This work will be edited by ROBERT STUART, Esq., Civil
Engineer, who will also give a MEMOIR of EMERSON at the
conclusion.

PRINTED FOR

JOHN KNIGHT AND HENRY LACEY,

LONDON.