There is a plaque on the wall of the President Building Office Park formerly Firth Browns, Atlas Works, Head Office which reads: Atlas Works 1854. From these offices was once controlled the John Brown industrial empire. At its height employing 55,000 in coal, steel and ship building. The company locally were innovators in railway engineering and armour plating. There is also a saw mounted on the wall with a plaque: Norfolk Works Segmental Saw Blade Saw blade manufactured by Thomas Firth and Co. at this site around 1930. Donated by European Saw Services and returned to this site July 1994 by Sheffield Development Corportation. For more information about Firth Brown's see: Firth Brown, a Sheffield Steel Company by Catherine Hamilton Ref: 338.4 S