Flags national and mercantile : For the use of officers of Royal Navy, Mercantile Marine, and yacht squadrons; containing flags of the Royal Navy; National ensigns for men-of-war; National colours for mercantile marine; international code; fog signals; optional signals; signals of distress; vessels' lights as seen by a look-out man, and 782 house flags and funnels of the principal ships of the Mewrcantile Marine; and 120 national flags and signals; plus 422 additional flags [Hardback]