Descripción

First edition, [34]pp., final leaf blank, final signature bound out of order. 2 works bound in one, recent full calf to style, spine with five raised bands, intricate gilt tooling to compartments, red morocco title label lettered in gilt. Prior to going to Greenwich as Maskelyneís Assistant in 1788, William Garrard (active 1781-1808) was an usher at Mr Bettesworthís Marine Academy, Ormond House, Paradise Row, Chelsea. The tables within the first work, which are not paginated, consist of: Table I, Where in the Distance is Extended to Three Hundred and the Angles Shewn to Every Ten Minutes of the Quadrant. Table II, Being a Traverse Table of Quarter Points Wherein the Distance is Given From 1 to 300. Table III, From Whence the Sides of Plane Right Angled Triangles May be Taken to Six Places of Figures, Being the Radical Table on White the Proceeding Two are Founded. Table IV, Being An Improved Table of Meridional Parts For More Accurately Solving the Cases of Mercatorís Sailing. The second work contains a two page preface followed by Tables and Observations. Both works are rare and recorded by ESTC in only a handful of locations.