A treatise of the sphere; shewing how it is deriv'd from that theory which justly asserts the motion of the earth: as also of the projections of it, both orthographical and stereographical; ... By the late Reverend John Witty ... The second edition. Revis'd and improv'd by James Hodgson, ...
Witty, John.
London : printed for J. Osborn; and S. Birt,
1734.
ESTC