Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,698 pages of information and 232,163 images on early companies, their products and the people who designed and built them.
of Vulcan Ironworks, St. Miles/Coslany, Norwich
1871 Commenced business 
1877 Advert: 'IMPORTANT NOTICE TO USERS OF STEAM.
STURGESS & TOWLSON, ENGINEERS, &C.,
Beg to direct the attention of Steam users to their IMPROVED COMPOUND STEAM ENGINES, with S. and T.'s VARIABLE AUTOMATIC CUT-OFF EXPANSION VALVE, regulated by Governor, which determines the exact part in stroke where Steam from Boiler should cut off and expansion begins. This ensures the most perfect regularity of speed with the greatest Economy in Fuel. Full Boiler pressure, used in Cylinder at commencement of each stroke, with the most varying loads (which cannot be attained by any fixed Cut-off Expansion Valve). These Engines are a new and most improved compact design, and very strong, every part easy access, extra large wearing surfaces, with improved adjustible Bearings, and Pistons guided at Back ends to prevent Cylinder wearing oval. Coal consumption guaranteed.
S. and T. are also Makers of all classes of Steam Engines and Boilers, from Two to Sixty nominal Horse Power, of superior design and workmanship, and the greatest Economisers of Fuel: are also Millwrights, Iron and Brass Founders, Makers of Hydraulic Presses, Pumps, Lifts, and all classes of Hydraulic Machinery; Brewers' Engineers, &c., &c.
Further description and particulars of Engines, and various Machines, will be furnished by applying to our Works.
VULCAN IRON WORKS, St. Miles', NORWICH.
S. and T. supply their Improved Expansion Cut-off Valve to the Trade.' 
1880 Sturgess and Towlson reversing vee twin launch engine is sole survivor of a peculiar design. It originally powered the steam launch 'Vivid'.
1893 Partnership change. '...the Partnership heretofore subsisting between us the undersigned, William Tomkins Sturgess and Edward Towlson, carrying on business as Engineers. Millwrights, Iron and Brass Founders, at the Vulcan Iron Works, in the parish of St. Michael at Coslany, in the city of Norwich, under the style or firm of Sturgess and Towlson, has this day been dissolved, by mutual consent...'