A treatise on the theory and practice of seamanship : b containing general rules for manœuvring vessels, with a moveable figure of a ship, so planned that the sails, rudder, and hull may be made to perform the manœuvres according to the rule laid down : to the above is added a miscellaneous chapter on the various contrivances against accidents, and a copper plate of the diagrams and figures explained in the work : the whole forming a useful compendium to the officer, to Instruct him when young, and to remind him when old