All that remains of the last one standing

Grove J

Image kindly supplied by Simon Swain

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1 Response to Grove J

  1. FB. Lycett says:

    I am not an airflow engineer and wish all concerned to reach the right conclusion, it crosses my mind whether the shaft diameters and workings in the Yorkshire comparison might have a bearing on the flow measurement, my grandfather was a mines rescue man and pit fireman, (not at the Grove)

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