HC Deb 04 June 1957 vol 571 c79W
72. Mr. T. W. Jones

asked the Minister of Works the amount of foreign slates imported into the United Kingdom during 1956.

Mr. Molson

The answer is 3,464 tons of roofing and damp course slates, 592 tons of raw slate blocks and 1,854 tons of polished or ground blocks.