4 JUNE 1948, Page 18

O.M.S. IN THE MINES

Sta,—In The Spectator of May 28th the D.P.R. of the Coal Board denies the statement in your previous issue that "less coal per manshift is being produced today than in 1938." Perhaps he will explain this statement in Report to the Nation No. 17 ("issued by His Majesty's Government ") published in the Sunday papers of May 23rd: "Output per manshift is lower than pre-war though there are more and better machines."—Yours