{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical Recreations, Or, a Collection of Many Problems Extracted Out of the Ancient and Modern Philosophers as Secrets and Experiments in Arithmetick, Geometry, Cosmography, Horologiography, Astronomy, Musick, Opticks, Architecture (1674) (Paperback)","author_name":"By (author) Jean Leurechon","thumbnail_url":"https://www.ebooknetworking.net/books/B00/EQG/bigB00EQG6ZN0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00EQG6ZN0.html\">Mathematical Recreations, Or, a Collection of Many Problems Extracted Out of the Ancient and Modern Philosophers as Secrets and Experiments in Arithmetick, Geometry, Cosmography, Horologiography, Astronomy, Musick, Opticks, Architecture (1674) (Paperback)</a>","width":400,"height":300}