Ok guys - carbon date this one
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
H Firth - another of the pioneers of Australian motorsport - years ahead of his time. Although HDT are long gone the workshop lives on pretty much un-altered, still with the brick arch features in the walls. I always stop and poke my head thru the door when I'm in the area.