There are 10 images (an 11th is a 'ring in') of WTWW on the AWM site:
https://www.awm.gov.au/advanced-sear...ype=Photograph
Captions provide a good explanation regarding its history. It is a lot more bulky than the canteen listening set.
The radio was on display in the WW2 Gallery for many years - not sure if it was included after the gallery half life upgrade.
Mike