Here's a locally produced post-card sized brochure for the Lloyd Hartnett. There is a road test of it in the March 1958 issue of Wheels magazine and Pedr Davis drove one from Melbourne to Sydney and got about 60 mpg. That report is in the December 1958 Wheels magazine. By the way, your last b&w image is of a British Lloyd, no relation to the German car and made in of all places, Grimsby by Roland Lloyd..... About 600 were produced between 1946 and '51.