 | This article relies largely or entirely on a single source .(August 2025) |
| Twelfth Parliament of South Australia | |||||||||
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 Old Parliament House (1872) | |||||||||
| Overview | |||||||||
| Legislative body | Parliament of South Australia | ||||||||
| Meeting place | Old Parliament House | ||||||||
| Term | 2 June 1887 – 19 March 1890 | ||||||||
| Election | 19 March – 21 April 1887 | ||||||||
| Legislative Council | |||||||||
| Members | 24 | ||||||||
| President | Henry Ayers | ||||||||
| House of Assembly | |||||||||
| Members | 52 | ||||||||
| Speaker | Robert Dalrymple Ross (until 31 May 1888) John Cox Bray (from 31 May 1888) | ||||||||
| Sessions | |||||||||
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The 12th Parliament of South Australia was a meeting of the legislative branch of the South Australian state government, composed of the South Australian Legislative Council and the South Australian House of Assembly.
