An entry in the Sheffield City Archives listings indicates the company were a manufacturer producing high speed steel and possibly involved in making brake drums in the period 1925-30. Their address is given as 97 Mary Street. The Sheffield Daily Telegraph on 12 March 1932 p15 reveals two of the company's directors in an article revealing the formation of Walker Castings Ltd - Edwin Walker (1895-1984) of 54 Belgrave Road and Harold Wolstenholme of Edensor, Bushey Wood Road. A newspap....