Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,018 pages of information and 213,092 images on early companies, their products and the people who designed and built them.
1827 Applied forced draught to a marine boiler in the North America - this was said to have been the first such application.
1837-8 the brothers Stevens tried an exhaust fan on a horizontal spindle in the chimney of a shop engine at the works of the Camden and Amboy Railway.
1838 they fitted a similar fan to the steamboat Philadelphia
He also invented the air-tight fire-room, which was used in conjunction with forced draught.
Worked on testing armour using thick iron plates and laminated armour.