1750s? - employed at the Seaton or Barepot Works, near Workington casting and boring cannons; 1760s? - employed at Madeley Wood Colliery Co., Wellington, Shropshire; 1763 - established Lowca Foundry, Whitehaven, Cumbria, with his brothers Thomas and Crosby Heslop where locomotives and stationary engines were built until 1920s; 1790 - patented a type of winding and pumping engine;