Along with Barrow Hematite Steel Company Limited, what was the other major target of the Barrow Blitz?
Barrow Hematite Steel Company The Barrow Hematite Steel Company Limited was a major iron and steel producer based in Barrow-in-Furness, Lancashire (now Cumbria), England, between 1859 and 1963. At the turn of the 20th-century and the Technological Revolution it operated the largest steel mill in the world.
Palmers Shipbuilding and Iron Company Palmers Shipbuilding and Iron Company Limited, often referred to simply as "Palmers", was a British shipbuilding company. The Company was based in Jarrow, County Durham, in north-eastern England, and also had operations in Hebburn and Willington Quay on the River Tyne.