Licence agreement between Henry Bessemer and Robert Longsdon on the one hand and The Barrow Haematite Steel Company on the other

Signed and sealed by Henry Bessemer and Robert Longsdon in the presence of J.H. Johnston, allowing The Barrow Haematite Steel Co. Ltd. to use patented processes and inventions for converting molton iron, re-melted pig iron or refined iron into cast steel or malleable iron.

With accompanying certificate from the Great Seal Patent Office.