An essay on the mechanical fabrick of the universe: or the dependence of effects upon their causes. In a new hypothesis ... In which are solved several phaenomena ... hitherto unaccounted for; as the cause of gravitation, motion, reflection, refraction, etc. With a method proposed, to find out the exact rate that a ship runs, and consequently the longitude at sea / By Conyers Purshall.
Purshall, Conyers, 1656-? | Date: 1707