Alan Bennet and Lord Charles Shuttleworth at the opening of the Gawthorpe Barn in 1979. I was mixing in elevated circles at the time. (It didn't last!

A loosely similar process to a modern diesel engine burning the soot from a DPF. With the forced addition of a small amount of vaporised diesel, rather than coal dust.Stanley wrote: ↑05 Mar 2025, 04:24 It worked and in the process we lit the flue dust in the flue which was mainly half burned coal dust from the forced draught operation of the economic boiler that had been installed to heat the mill in its last days. It burned for over 3 months that winter, warming the flues and reducing the level of the dust in the flue to manageable proportions. Long forgotten days!