That last photo is enough to confirm for me that this indeed was a vertical shaft set up, Like the Rotoscythe and the Peach Tin.
It also appears to be water cooled, and started by the arm at the front, further with both the fuel and water tanks filled, it looks like it would be a little unbalanced
Which would make this the first Vertical Shaft Petrol Rotary Lawn Mower to be Made in Australia, as far as I have found.
In fact, I am also led to the impression that at this time, even with the rotoscythe around, the Idea of a Vertical Shaft Petrol Rotary was still something rather unheard of, possibly due to the lack of competitors to the rotoscythe, and it's high price.
Essentially, if the rotoscythe, a self propelled rear catcher machine was common and affordable, would you try to sell a two man, push & pull mower?
![[Linked Image]](https://www.outdoorking-forum.com.au/forum/uploads/usergals/2013/12/full-5013-13484-assh.jpg)