73 class
... that the 73 class were the first New South Wales Government Railways locomotives built in Queensland?
... that the <b id="mwCbY"><a href="./New_South_Wales_73_class_locomotive" id="mwCbc" rel="mw:WikiLink" title="New South Wales 73 class locomotive">73 class</a></b> were the first <a href="./New_South_Wales_Government_Railways" id="mwCbg" rel="mw:WikiLink" title="New South Wales Government Railways">New South Wales Government Railways</a> locomotives built in <a href="./Queensland" id="mwCbk" rel="mw:WikiLink" title="Queensland">Queensland</a>?