The Ballarfat School of Mines Mining Plant and Laboratory were formally handed over on 23 May 1902Ground floor plan of ore laboratory drawn on coated cotton cloth, hand colouring Drawing No 3. Initialed "C.B.A. Jan 1900) H [Illegible} 31 1 00smb ore treatment laboratory, mining, ballarat school of mines, department of public works victoria, architecture, plan, laboratory, ore sampling floor, furnace, boiler house engine bed, gaol ground, ballarat gaol ground, laboratory