Perth Gaol
...that Perth Gaol was built in the 1850s to house convict labour, but by 1891, it was a geological museum?
...that <b id="mwBTA"><a href="./Perth_Gaol" id="mwBTE" rel="mw:WikiLink" title="Perth Gaol">Perth Gaol</a></b> was built in the 1850s to house <a class="mw-redirect" href="./Convictism_in_Western_Australia" id="mwBTI" rel="mw:WikiLink" title="Convictism in Western Australia">convict</a> labour, but by 1891, it was a <a class="mw-redirect" href="./Geological" id="mwBTM" rel="mw:WikiLink" title="Geological">geological</a> museum?