[John Arbuthnot] An essay on the usefulness of mathematical learning, in a letter from a gentleman in the city to his friend in Oxford. S. Wilmot, Oxford, 1721, 2nd Edition; octavo, title page and final page dust-affected, scattered foxing elsewhere; old catalogue number entered in ink at foot of title page; 37,[1]pp. Disbound, with remnants of old leather backstrip.