To get a indication of the size and bulk of the UK No. 9 wireless set , this training film depicts the set being set up in the field . AWM F05239
The Aust. WS 109 set appears to be a altogether different design compared to the UK 9 set.
https://www.radiomuseum.org/r/mil_gb...s_set_no9.html
I can't imagine how they managed to install a No. 9 set and its battery inside that little tank !