{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Block System of Signaling on American Railroads: The Methods (Classic Reprint)","author_name":"Braman Blanchard Adams","thumbnail_url":"https://www.ebooknetworking.net/books/B00/8OM/bigB008OMZ87Q.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B008OMZ87Q.html\">The Block System of Signaling on American Railroads: The Methods (Classic Reprint)</a>","width":400,"height":300}