Woodall-Duckham

of Crawley
William John Jones (1866-1938) and Arthur Duckham
Commercialised the Woodall-Duckham retort for the continuous carbonisation of coal, which came to be used in many British gas works
See Woodall-Duckham Construction Co
1920 Ernest Smith appointed as technical director of the Woodall-Duckham companies at the invitation of Sir Arthur Duckham