| AdminHistory | Firth Brown Limited was the main operating company of Thomas Firth and John Brown Limited (later Johnson and Firth Brown Limited) between 1962 and 1982.
Thomas Firth and John Brown Limited was founded in 1930 by the amalgamation of Thomas Firth and Sons Limited and the steel producing interests of John Brown and Company Limited. In 1962 Thomas Firth and John Brown Limited became the holding company and the main operating company became Firth Brown Limited.
Firth Brown Limited ceased to operate in 1982 when the holding company, now Johnson and Firth Brown Limited, merged its steel making interests with the British Steel Corporation's River Don Works to form Sheffield Forgemasters. |
| CustodialHistory | These records were deposited at Sheffield Archives via the Archivist at Cutlers Hall, Sheffield by Firth Rixson PLC in 1993. They had presumably remained in the custody of Firth Rixson PLC and its predecessors prior to this time. |