HC Deb 26 March 1923 vol 162 c66W
Mr. BARKER

asked the Secretary for Mines if miners' nystagmus is increasing or decreasing in the mines per thousand miners employed since the year 1910 up to the latest in formation available: and will he give the cases per thousand underground workmen employed for each year from 1910 to the present time?

Lieut.-Colonel LANE-FOX

The information is given in the following table:

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