Paper, 'What a compleat treatise of navigation should containe' by William Petty Petty's suggestions include considerations relating to mathematics, astronomy, meteorology, the tides, fishing, jurisdiction at sea, shipbuilding, instruments to use, economics, properties of materials such as iron and timber, shipping lanes and examples of five or six of the best navies and dockyards of Europe. Subject: Navigation Read to the Royal Society on 24 March 1686 1685