{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The casting-counter and the counting-board: a chapter in the history of numismatics and early arithmetic","author_name":"Barnard, Francis Pierrepont","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3Z0/bigB003Z0CFKA.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003Z0CFKA.html\">The casting-counter and the counting-board: a chapter in the history of numismatics and early arithmetic</a>","width":400,"height":300}