I had 118 Salfercbers at Bath, _ at Briskl. I have just finished a course to 62, and it is likely that I shall begin a Second Course on Thursday next to abord 24 Subfcribors.

James Ferguson.

Fublished by Sherwood Jones &C. Dec?1 162 4.

1

ON

SFLECT SUBJECT'S

IN

MECHANICS, HYDROSTATICS, PNEUMATICS,
OPTICS, AND ASTRONOMY,

BY JAMES FERGUSON, F.R.S.

A NEW AND IMPROVED EDITION,

ADAPTED TO THE PRESENT STATE OF SCIENCE,

BY

C. F. PARTINGTON,

Of the London Institution, Author of an Historical and Descriptive Account of the
Steam Engine, &c. &c.

Philosophia mater omnium bonarum artium est. CIORRO, i, Tuso.

LONDON:

PRINTED FOR THOMAS TEGG AND SON, 73, CHEAPSIDE;
R. GRIFFIN AND Co., GLASGOW; T. T. AND H. TEGG, DUBLIN:
ALSO, J. AND S. A. TEGG, SYDNEY AND HOBART Town.