Thanks to Frederic and his excellent scale model.
https://hmvf.co.uk/topic/43876-jeep-...comment-483377
Going through the AWM collections , I have found evidence of the Aust. army Mobile Cinema vehicles in use as early as 1942. These were used in the S.W.P.A. as a means of entertaining the troops, I believe some were even located in forward areas of operations.
The Jeep cinema variants seemed to have come along later on and the jeeps appear to have been set up or modified to carry a generator and the associated equipment . I am not sure, but in a few cases there may have been an auxiliary generator under the bonnet ?
Would make a interesting full scale jeep for displays ! Would anybody know the colours of the MOBILE CINEMA script seen on the windscreen panel ?