AN EXPOSITION,

&c.

AN EXPOSITION

OF THE

NATURE, FORCE, ACTION, AND OTHER

PROPERTIES

OF

GRAVITATION ON THE PLANETS;

AND OF THE

EFFICIENT CAUSES OF THE

RELATIONS BETWEEN THEIR VELOCITIES, PERIODIC TIMES,

MEAN DISTANCES FROM THE SUN, AND THE

FORCES OF GRAVITATION.

5.

BY THE AUTHOR OF

"A NEW ANALOGY FOR DETERMINING THE DISTANCES OF THE PLANETS FROM

THE SUN, AND OF THE SATELLITES FROM THEIR PRIMARIES,"

66

A NEW INTRODUCTION TO THE MATHEMATICS," &c.

LONDON:

WHITTAKER AND CO. AVE MARIA LANE.

1842.