Observations touching the principles of natural motions microform : and especially touching rarefaction & condensation : together with a reply to certain remarks touching the gravitation of fluids (engelsk)
An attempt to demonstrate that all the phœnomena in nature may be explained by two simple active principles, attraction and repulsion microform : wherein the attractions of cohesion, gravity, and magnetism are shewn to be one and the same : and the phœnomena of the latter are more particularly explained (engelsk)
The distance of the sun from the earth determined by the theory of gravity microform : together with several other things relative to the same subject (engelsk)