Essays, mathematical and physical : containing new theories and illustrations of some very important and difficult subjects of the sciences.

Preface signed: J. Mansfield.Includes bibliographic references.Of negative quantities in algebra -- Goniometrical properties -- Nautical astronomy -- Orbicular motion -- Investigation of the loci -- Fluxionary analysis -- Theory of gunnery -- Theory of the moon -- Appendix: New tables for computing the latitude and longitude at sea, by means of double altitudes and lunar distances.ShawMode of access: Internet