These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Full Title - 'Statutory Rules and Orders 1935 No.637 Coal Mines. The Firedamp Detectors (No.2) Order, 1935. Dated June 24, 1935.' 4-page booklet on off-white paper, with black printed text and a black and white photograph of firedamp testing apparatus. 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.
