{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Charles Wheatstone, Inventor of the Telegraph","author_name":"Thompson, Silvanus Phillips","thumbnail_url":"https://www.ebooknetworking.net/books/B00/6AV/bigB006AV0WS8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B006AV0WS8.html\">Charles Wheatstone, Inventor of the Telegraph</a>","width":400,"height":300}