Stump Jump Plough, made by Mr. J.W. Stott of Alma, 1881 (image copied from Journal of Royal Agricultural and Horticultural Society South Australia March 1882 page 29-40).
Advisory Board of Agriculture, 1909. W.L. Summers (Secretary), T.N. Hardy, A.J. Perkins, Col. Rowell, C.J. Tuckwell, A.M. Dawkins, C. Willcox, C.J. Valentine, A. Molinerix, G.R. Laffer (Chair), J.W. Sandford and J. Miller. People in the inserts are unknown.
Party of farmers visiting Roseworthy College, early 1900s.