{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ORIGINAL PATENT APPLICATION NUMBER 520,580 FOR IMPROVEMENTS IN OR RELATING TO RAILWAY SIGNAL AND OR POINTS CONTROL EQUIPMENT. (LONDON).","author_name":"John Balman Griffiths, Andrew Brown and Thomas Alfred Marshall. Standard Telephones and Cables Ltd.","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0037M170K.html\">ORIGINAL PATENT APPLICATION NUMBER 520,580 FOR IMPROVEMENTS IN OR RELATING TO RAILWAY SIGNAL AND OR POINTS CONTROL EQUIPMENT. (LONDON).</a>","width":400,"height":300}