Torrens title system, Robert Torrens, a member of the colony's House of Assembly, proposed a new title system in 1858, and it was quickly adopted. The Torrens title system was based on a central registry of all the land in the jurisdiction of South Australia, embodied in the Real Property Act 1886 (SA). All transfers of land are recorded in the register. Most importantly, ownership of the land is established by virtue of the owner's name being recorded in the government's register. The Torrens title also records easements and the creation and discharge of mortgages. The historical origins of the Torrens title
River Torrens after him. In 1867, prison labour from Adelaide Gaol was used to build a wooden dam near the site of the current weir. The dam was poorly constructed and almost immediately the Torrens washed it away. Construction of a permanent concrete weir was begun in November 1880 and completed, at a cost of £7,000, in 1881. The sluice gates were closed to begin filling the Torrens Lake on 1 July 1881. At the lake's official opening on 21 July 1881 an estimated 40,000, almost the entire population of Adelaide, attended. During the 1889 flood, the weir was overwhelmed, its gates