{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Babbage's Calculating Engines: Being a Collection of Papers Relating to them; their History and Construction (Cambridge Library Collection - Mathematics)","author_name":"Charles Babbage","thumbnail_url":"https://www.ebooknetworking.net/books/110/800/big1108000967.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1108000967.html\">Babbage&#039;s Calculating Engines: Being a Collection of Papers Relating to them; their History and Construction (Cambridge Library Collection - Mathematics)</a>","width":400,"height":300}