The wig available for use by the speaker was used by Herbert ` Doc ' Evatt when he was a High Court Justice ( 1930 -- 1940 ) and was donated to the Parliament by Evatt when he was elected to the House in 1951 .
The wig used by the speaker was donated by Herbert ` Doc ' Evatt when he was elected to the House in 1951 . He had worn the wig when he was a High Court Justice ( 1930 -- 1940 ) .