London: printed for Messrs. Mount and Page, on Tower-Hill, M,DCC,LXXXII . Early Reprint. Full Calf. 8vo: xiv,,336 [pp 335-36 misbound after p. xiv],pp, with five plates (three folding), numerous diagrams and figures in the text, tables of latitude, meridional parts, and logarithms. Contemporary sheep, spine in six compartments between raised bands ruled in gilt, red morocco lettering piece, plain period end papers with indecipherable manuscript ex-libris in an early hand. An excellent copy, clean, crisp, and unmarked (pp. 90-91 and intervening chart heavily toned). Scarce in this edition: WorldCat lists just six copies. Near Fine+. Item #BB0927
Comprehensive manual for the navigator, covering in detail (with examples) decimal and logarithmic arithmetic, practical and spherical geometry, plane trigonometry, Mercator's chart (and its failings), geography, nautical astronomy, uses of the octant and sextant, and keeping a sea-reckoning journal. First published in 1686, this edition revised and corrected, with "many and various" additions, by John Adams. N. B. With few exceptions (always identified), we only stock books in exceptional condition, carefully preserved in archival, removable polypropylene sleeves. All orders are packaged with care and posted promptly. Satisfaction guaranteed.