{"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 ... for railwaymen, students, and others","author_name":"Francis Raynar. Wilson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/64F/bigB0064FCOMM.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0064FCOMM.html\">Railway-signalling: automatic: an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam ... for railwaymen, students, and others</a>","width":400,"height":300}