Tracts: containing I, Mechanics, or the doctrine of motion. II. The projection of the sphere. III. The laws of centripetal and centrifugal force. By William Emerson. A new edition. To which is prefixed, some account of the life and writings of 
Emerson, William,1701-1782.
London : printed for F. Wingrave,
1793.
William Bowe's account of the life of William Emerson was also issued separately with a cancel titlepage.
With a final leaf of advertisements.
ESTC