Hall and Pickles of 64 Port Street, Manchester.
1812 Company founded.
1920 January. Issued booklet on 'Hydra' tool steels [1]
1924 Private company.
1935 See Hall and Pickles:1935 Review
1937 Steel manufacturers. "Hydra" High Speed Steels. "Hydrex" Stainless Steels. "Vampire" Alloy Steels. "Vital" Alloy Steels [2]
1939 See Aircraft Industry Suppliers
1961 Steel tool and wire manufacturers and steel stock holders [3]