The minute-book commences with the original constitution of the 'maisteris, skipperis, marineris, and haill useris of the art of navigatioun within the burgh of Air', laid down on 28 August 1581, with tariffs of 'guidage'. The minutes deal chiefly with the provision of benefits to seamen's widows, etc. Later the society is called the Society of Merchant Adventurers, the Sailors’ Society, and other names.