From its inception, it was intended that trained St John Ambulance Brigade volunteers would act as a reserve for the medical services of the Armed Forces. From 1899 - 1902, 2,046 Brigade volunteers travelled to South Africa to provide support as medical orderlies in the hospitals treated war casualties. Private Sabin documented his experience in this diary.
Foakes, Tom, ed. Treasures: Faith, Care, Valour: Highlights from the Collection of the Museum of the Order of St John. Priory of England and the Islands of the Most Venerable Order of the Hospital of St John of Jerusalem, 2019. Pages 162 - 163