A practical introduction to spherics and nautical astronomy. Being an attempt to simplify those useful sciences. Containing, Among Other Original Matter, The Discovery Of A Projection For Clearing The Lunar Distances, In Order To Find The Longitude At Sea; With A New Method Of Calculating This Important Problem. By P. Kelly, Master Of Finsbury Square Academy, London.
Kelly, P. (Patrick), 1756-1842. | Date: MDCCXCVI. [1796]