During Hall's lifetime, he helped mechanise the papermaking industry, co-founded the first UK canning firm, and developed steam engines for land and marine use.
[1] John Hall moved to Dartford in April 1784, and was employed by a Mr T H Saunders to repair a mill on the River Darent in Hawley.
By late spring 1813 they were appointing agents on the south coast to sell the preserved food to outbound ships,[5] and the British Admiralty placed large orders with the firm of Donkin, Hall and Gamble for tinned meat.
[1] The company also designed and patented (1835), the first trunk engine, fitted on board the paddle steamer "Dartford," built at Gravesend.
[9] Hall and his family also proved educational opportunities, with a Methodist Sunday School opened in a cottage which formed part of the ironworks.