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Pen makers of Washington Works, Cumberland Street, Birmingham. (1852)
of "Pedigree" Pen Works, Bearwood Road, Birmingham. (1922)
Ditto Address - Birmingham. London Office: 13 Lovell's Court, Paternoster Row, EC4. (1929)
1806 William Mitchell was born in Sheffield.
1824 He moved to Birmingham.
From 1830-1852 he was at 7 St Paul's Square. He then moved to the Washington Works, Cumberland Street, Birmingham.
1843 William invented the "Alphabet Pens" series including the famous "J" Pen.
1901 Manufacturer of pens.
1906 Incorporated as a private company.
1910 The company moved to a purpose built factory, the Pedigree Pen Works, Bearwood Road, and employed between 400 and 500 people.
1914 Manufacturers of steel and metal pens, penholders and small clips. 
1920 Became part of British Pens.
1922 Listed Exhibitor - British Industries Fair. Manufacturers of Steel and Incorrodible Metal Pens, Penholders, Letter Clips, Window Display Clips, and Stationers' Sundries. (Stand No. K.78) 
1929 Listed Exhibitor - British Industries Fair. Manufacturers of Steel and Incorrodible Metal Pens, Penholders, Window Display Clips and Stationers' Sundries. (Stand Nos. R.3 and R.155)