HC Deb 21 February 1940 vol 357 c1390W
Mr. E. J. Williams

asked the Secretary for Mines (1) the output per person employed in the South Wales and Monmouthshire coalfields for 1927 and each year to date;

(2) the number of coal-cutting machines and conveyors, and the percentage of output cut by technique for 1927, and each year to date?

Mr. Lloyd

The following is the information: