Casgliadau Arlein

Full Title - 'Statutory Rules and Orders 1938 No.1407 Coal Mines. The Telephone and Signalling Apparatus Order, 1938. Dated November 23, 1938.' One page document on off-white paper, with black printed text. Loose inside a black leather hardback cover (with other coal mining regulations, bills etc) with the 'British Thomson-Houston Company / Electrical Engineering Manufacturers / Rugby' printed on it, and a sticker with 'Coal Mines Regulations' stuck on the front cover.