The principles of mechanics. Explaining and demonstrating the general laws of motion, the laws of gravity, motion of descending bodies, projectiles, mechanic powers, ... The third edition, corrected. Illustrated with forty-three copper-plates.
Emerson, William,1701-1782.
London : printed for G. Robinson,
1773.
The last two leaves contain a "list of the principal machines" and the errata.
Preface signed: W. Emerson.
Vertical chain lines.
ESTC
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 6260, no. 01.