Thorncliffe Ironworks and Collieries

George Newton and Thomas Chambers formed Newton, Chambers and Co, which started out as an iron works but later expanded into coal and ironstone mining and the chemical byproducts of coal.[1]
1853 Thomas Chambers and John Chambers, of The Thorncliffe Iron Works, near Sheffield, in the county of York, gave notice in respect of the invention of " certain improvements in kitchen sinks."[2]
1857 And Edmund Edwards and Edward Beacher, of the Thorncliffe and Chapeltown Iron Works, near Sheffield, gave notice in respect of the invention of "improvements in machinery or apparatus for washing or cleansing mineral and other substances"[3]
1873 Thomas Chambers Newton and George Dawson, both of the Thorncliffe Iron Works, near Sheffield, in the county of York gave notice in respect of the invention of " improvements in kitchen ranges."[4]
1894 Awarded a silver medal for their stable fittings (Thorncliffe Ironworks). [5]
Presumably linked to Thorncliffe and Chapeltown Iron and Coal Co