printed and sold by the author, P. Boyle, No. 14, Vine-Street, Piccadilly. Sold also by Mr. Richardson, under the Royal Exchange; Messrs. Dring and Face, mathematical-instrument makers to the Honorable Board of Excise, 6, Tooley street, Borough; of Mr. Hurst, Paternoster row; and may be had of all the respectable booksellers in the kingdom

printed for and sold by the Author, No. 107, Ward-Our-Street; sold by Mr. Richardson, under the Royal Exchange; Messrs. W. and J. Wilmott, No 69, Borough-High-Street; Mr. Tomblin New-Inn-Passage; and may be had of all the respectable Booksellers in the Kingdom