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Pressure vessels at Sorriego's colliery back yard. Asturias - Northern Spain
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These riveted pressure vessels held the compressed air supplied by a set of Worthington compresors. They were made in Germany in 1907 to hold a pressure of 12 bar, I pressume they were not in service until the colliery was decommissioned in 1988. They still have attached the fabricator's plate and the stamping of the last pressure test in the late 70s and authorization to hold 6 bar if I remember well.
Image processing courtesy of Kerstin J Schorer. Thanks.
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