{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The first principles of railway signalling including an account of the legislation in the United Kingdom affecting the working of railways and the provision of signalling and safety appliances","author_name":"C. B. Byles","thumbnail_url":"https://www.ebooknetworking.net/books/B00/64J/bigB0064J197Y.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0064J197Y.html\">The first principles of railway signalling including an account of the legislation in the United Kingdom affecting the working of railways and the provision of signalling and safety appliances</a>","width":400,"height":300}