Letterpress. 'Phrenological Chart. Taken by Mrs Hamilton, Phrenologist, London. (Late of Edinburgh) 294, Regent Street, London' , nd. [1830-1880?]. printed: letterpress, overall 24x18cm. Chart for recording a person's cerebral development. Denoting sizes of male and female head; analysis of up to 35 faculties in seven areas, and observations on temperament; printed sheet is hand annotated in ink with scores for each faculty out of 20

This chart records many skull measurements for the ‘cerebral development’ of a certain ‘J B K’. According to this chart, ‘organs that are large are naturally more powerful ... and in some instances need to be restrained’. Very many character traits were listed, including mathematical ability.