Yes, publications from that time offer insights into the legitimacy of Brown’s Gas. Here are some historical references you might find useful:
1. “The Facts Behind the Media Confusion: Yull Brown & the Oxy-Hydrogen Economy” was featured in the January 1978 issue of Electronics Australia Magazine, pages 14-17, and delves into Yull Brown’s pioneering work in energy conversion.
You can find it here:
2. An independent evaluation titled ‘Technical Assessment of Brown’s Gas Project,’ authored by Foundation Professor Clifton D. Ellyett and published on August 14, 1987, explores the feasibility of Brown’s Gas.
You can view the document here: