F.L. Piddington was an associate of the Chemical, Metallurgical and Mining Society of South Africa in 1903. In May that year he read a paper before the society on "The refining of lead bullion", describing the Parke's process of desilvering and refining bullion as used in Australia. The paper was published in the society's Journal (Vol. 3(13), pp. 207-210) as well as in its Proceedings.