Career
Dunn rapidly changed the whole of Lancashire by transporting coal-gas lighting into the area. Improved Lighting
Through chemical experiments, he had formulated a better gas lighting technique, for longer power and brightness and in 1816, he had enough confidence in himself and his idea to start the Preston Gaslight Company. Business Success
By the mid-1820s, due to his company, Preston became the second town in England after London to be fully lit by coal gas.
His company offices were situated in Avenham.