{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On the arithmometer of M. Thomas (de Colmar), and its application to the construction of life contingency tables.","author_name":"Peter Gray","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2ZR/bigB002ZRPN8K.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002ZRPN8K.html\">On the arithmometer of M. Thomas (de Colmar), and its application to the construction of life contingency tables.</a>","width":400,"height":300}