TOM MORTON 

Iron screw cargo steamer
The following is from Flotilla Australia-

TOM MORTON 1,402 gross tons. Iron cargo steamship built by Morton, S&H, yard 21, Leith for 'unknown'. Launched November 1872, Date completed unknown. 1874 chartered from H. Moreton for 12 months taking mail from Singapore. First voyage of charter January 18 1874. 1876 sold to G. V. Turnbull. Went missing - sailed Cardiff 4 December 1886 for Constantinople