xii + 146pp, frontis, 8 plates, 23 drawings (on 11 folding sheets with an additional plate at end of volume), dark blue cloth. AJS: Based on his pre-war study published in USA by the Marine Research Society. This edition has been entirely rewritten and the drawings have been redrawn with the addition of a new large-scale drawing of the rigging of the model of the St George of 1701.