The sign outside MPI (which used to be Tata Steel R&D) is built from the tuyeres of the Bessemer converters from the Cleveland Steelworks
I visited this larger section back in 2009.
MPI – Pikelet Wall
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Ripon Camp was a vast First World War camp, it could accommodate 30,000 troops and an estimated 350,000 men passed through during the course of the war.
A huge military hospital with 670 beds stood opposite the turning to Studley Roger, this was demolished after the war and is where the memorial now stands, of the site of the chapel and canteen.
A collection of photos can be found courtesy of the Kings Own Royal Regiment.