London. Methuen. First Edition. 1929. Hardback. 22x17.5 cms. 20 tipped in photo plates, (11 by Beken of Cowes), including frontis, all with printed captions below. 2 plates, 1 folding, of sections, lines and plan of Britannia, with 4 plates of her various sail plans, (with added red lines indicating shapes of another date). Publishers blue cloth, lettered in gilt on spine and on cover. Some minor marks to covers. Edges uncut. Spotting to free end papers, with lighter spotting on the adjacent leaf at each end, and a few odd spots in the text. Age tan to edges. Else pages clean and bright throughout, and no turned corners on the tipped-in plates. Tight binding and sound covers. Sun fade to top and bottom margins and edges of boards, and to spine. Bumped at top and bottom of spine. Owner's inscription on free endpaper. In very good condition for age.