Ultrasonic testing of steel, J Beardshaw & Sons, Sheffield, South Yorkshire, 1963. In part of the warehouse storing flat steel bars, a technician from tests the metal with an ultrascope made by the Ultrascope Company (London) Ltd. An ultrascope passes sound waves through the metal and this detects any flaws within it.
World Europe United Kingdom England South Yorkshire Sheffield Sheffield
Science & Nature Technology & Innovation
Trade & Industry Manufacturing & Heavy Industry
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