Significance
Dr Mitchell Henry O'Sullivan worked in the Victorian country town of Casterton as a general practitioner from 1919 until his death in 1977. He also practiced obstetrics. His son, Dr David More O'Sullivan donated his obstetric bag and its contents to the College in 1999. The bag and contents are a unique time capsule of the type of instruments and pharmaceuticals used in the inter-war period.
Physical description
Mask is made up of several layers of muslin gauze sewn together with cotton tape. The ends of the tape were used to tie the mask to the doctor's face covering the nose and mouth.
