[xvi], 360, [2], 355-440 pp, 441-526 ff, [2], 547-652 pp, 653-694, [1], 698-724 ff, [2], 731-904, [92] pp. Portrait frontispiece; 44 plates, most folding. Title page in red and black. (Folio) 32.5x19.5 cm (12¾x7¾") period full paneled calf, modern rebacking in a period style, spine decorated in blind, raised bands, black leather lettering piece, endpapers renewed, edges speckled red. First Edition.
First edition of Leybourn's textbook of arithmetic, geometry, cosmography, astronomy, navigation, and trigonometry, with discussion of the use of instruments. The maps facing page 477 show California as an island. Wing L1911.