PWN751M Unipower CrT Swansea1970s photo Fairwood Common former RAF base. Unipower formed the basis of quite a few ACTs at this period. I wrote an article for a magazine called Fire World many years ago about the marque.
Not sure of fire engineering on this one.
Late Alastair Collins collection - used with permission.
Picture added on 30 October 2019 at 15:52
Added by Bristol Bob on 31 October 2019.