Phrenological head, made from a skull, labelled in French, with an Italian summary, according to Spurzheim's system (35 divisions) 1815-1900 Phrenological head made from a skull 1815-1900
Ivory phrenological head, with areas marked off, numbered and labelled on circular brass pedestal Ivory phrenological head
Ivory phrenological head, with areas marked off and labelled, with circular pedestal and square wooden base Ivory phrenological head 1850-1914