{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Railway-signalling: automatic; an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam and electric railways","author_name":"Francis Raynar Wilson","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B014FXRGPO.html\">Railway-signalling: automatic; an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam and electric railways</a>","width":400,"height":300}