An autograph letter (Adelaide, 12 May 1851) signed by Henry Ayers in his capacity as secretary of the South Australian Mining Association
The letter is addressed to James Charles Coke, then the company's mine storekeeper at Burra, and relates to procedures for the 'sampling, weighing, taking water weight etc.' of copper ores. It is accompanied by a second document in Ayers' hand, also signed by him (4 pages, a uniform bifolium), copying..... More