Apparently this is a Daimler , the mobile workshop is a Garford or Commer,
https://prov.vic.gov.au/archive/4D70...34E3B8?image=1
https://prov.vic.gov.au/archive/4AF7...F30863?image=1
The Aust. army ambulance or 'operation theatre' is a 1915 Thornycroft chassis: bodywork by the Vic Railways workshops, Newport.
https://prov.vic.gov.au/archive/4D75...6741E7?image=1
This is a inter-war Thornycroft with what looks like the British WO patented 'subsidy scheme' articulating rear drive .
https://prov.vic.gov.au/archive/CA62...7F7960?image=1
Looks like a bandsaw. The overhead line belt drive is visible in these workshop lorries, , runs off the gearbox , no health and safety rules back then.
https://prov.vic.gov.au/archive/4D6C...31FD70?image=1
The SMLE rifle is ready for use. The seating would be similar to a railway carriage.
https://prov.vic.gov.au/archive/4B03...B44529?image=1
The only way to travel.
https://prov.vic.gov.au/archive/4D73...4FFCDA?image=1