{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Plane and Spherical Trigonometry: With an Introduction, Explaining the Nature and Use of Logarithms. Adapted to the Use of Students in Philosophy.","author_name":"Samuel Vince","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2IY/bigB002IYDWYC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002IYDWYC.html\">A Treatise on Plane and Spherical Trigonometry: With an Introduction, Explaining the Nature and Use of Logarithms. Adapted to the Use of Students in Philosophy.</a>","width":400,"height":300}