- 1Reference: IG9
Title: Photographs. Mainly of Igranic Electric Co and Brookhirst Igranic (BHI) products.[These photographs ...
Level of description: sub-fonds
Date Free Text: c1913-1974
Production date: From: 1906 To: 1983 - 2Reference: X171/220
Title: Certificate of the Scottish Automobile Club, Western Section, after the Scottish Reliability Trial f...
Level of description: item
Date Free Text: 13-16 June 1906
Production date: From: 1906 To: 1906 - 3Reference: Z748
Title: Records donated by Mr. E.W. Curtis of Bedford in March 1992. Igranic Electrical Company Limited ...
Level of description: fonds
Date Free Text: c.1910-1979
Production date: From: 1910 To: 1979 - 4Reference: IG1/6
Title: Assignment between the Donovan Electrical Co Ltd, Elstow Road, Bedford, and Brookhirst Igranic Ltd, ...
Level of description: item
Date Free Text: 1972
Production date: From: 1972 To: 1972 - 5Reference: IG1/8
Title: Agreement between 1) Cutler-Hammer Manufacturing Company and 2) Adams Manufacturing Company Limited....
Level of description: item
Date Free Text: 28 April 1908
Production date: From: 1908 To: 1908 - 6Reference: IG1/9
Title: Agreement for sale of electrical business of Adams Manufacturing Co Ltd between 1) Mr Lewis Hardy (a...
Level of description: item
Date Free Text: 17 July 1913
Production date: From: 1913 To: 1913 - 7Reference: IG2/2
Title: Patents file containing printed copies of related patents (including some of Brookhirst and Donovan)...
Level of description: item
Date Free Text: 1899-1944
Production date: From: 1899 To: 1944 - 8Reference: IG3/7
Title: British Patents - issued to Igranic, Brookhirst Switchgear or Brookhirst Igranic [see also patents r...
Level of description: series
Date Free Text: 1953-71
Production date: From: 1953 To: 1971 - 9Reference: IG3/9
Title: Transfer of patents between Igranic and Brookhirst
Level of description: series
Date Free Text: 1960-62
Production date: From: 1960 To: 1962 - 10Reference: IG5/4
Title: Transfer of trade mark from Adams Co
Level of description: series
Date Free Text: 1906-1983
Production date: From: 1906 To: 1983