Physical description

Three Ballarat School of Mines certificate made out to William Corbould. All have the seal of the Ballarat School of Mines is attached, and are signed by Andrew Berry, James Oddie, and William Thomas Henry Corbould.

.1) Theoretical and Practical Assaying. Also signed by William Stawell (President)

.2) Certificate of Competency in Organic Chemistry Practical Tests

.3) Chemistry, first stage, 1884