Corporate DS/UK/5588 Thomas Firth & Sons Ltd.; 1842-; steel manufacturer Thomas Firth & Sons Ltd. 1842- steel manufacturer Thomas Firth & Sons Ltd., 1842-1930 Firth Brown Steels, 1930-1973 Johnson and Firth Brown Ltd., 1973-1982 Sheffield Forgemasters, 1982- Sheffield, England, 1842-

https://collection.sciencemuseumgroup.org.uk/people/cp110055 https://collection.sciencemuseumgroup.org.uk/people/cp119854/firth-brown-steels https://collection.sciencemuseumgroup.org.uk/people/ap29938/john-brown-and-company International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) 2nd edition - ICA 2004 ISBN 2-9521932-2-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 Yes AXIELLNET\RCPISDickson 15/10/2024 AXIELLNET\RCPISDickson 15/10/2024 dbede957-5f50-4957-a01c-202be27cdbd4