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Isaac Story and Sons of Little Peter Street, Manchester, and later the Empress Foundry, Cornbrook, Manchester.
1837 Established as coppersmiths and engineers (Storey and Donaldson) at Little Peter Street, Knott Mill, Manchester
1851 Adshead's 1851 Maps of Manchester show 'Storey's Brass & Copper Works', whose buildings and courtyard occupied an area of approximately 50 x 100 ft, with the entrance on Little Peter Street, located approx 130 ft from the junction with Mount Street
1869 Advert. Coppersmiths and brass founders. Manufactures of all kinds of brass and copper works for the locomotive, marine and stationary engines. Of Knott Mill Brass and Copper Works, Little Peter Street, Manchester. 
1900 Details of new premises with photographs. 
1910 Incorporated in United Brassfounders and Engineers