{"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 and Appliances Used in Manual and Automatic Block Signaling, Also Descriptions of ... and Power Operated Interlocking Machines","author_name":"Braman Blanchard Adams","thumbnail_url":"https://www.ebooknetworking.net/books/114/665/big1146653212.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146653212.html\">The Block System of Signaling On American Railroads: The Methods and Appliances Used in Manual and Automatic Block Signaling, Also Descriptions of ... and Power Operated Interlocking Machines</a>","width":400,"height":300}