La plume volante: or, The art of short-hand improv'd [electronic resource] : Being the most swift, regular, and easy method fo short-hand writing yet extant. Compos'd after fifty years practice and improvement of the said art, by the observation of other methods, and the intent study of it. The fifth edition. With the addition of the terms of the law, and much amended; and a regular and easy table of contractions, by the persons, moods and tenses on a large copper-plate. By William Mason.