{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Mine Surveyor's Book Of Tables: Containing The Natural Sines, Cosines, Tangents, Cotangents, Secants And Cosecants (1892)","author_name":"Rufus James Foster","thumbnail_url":"https://www.ebooknetworking.net/books/110/439/big1104396920.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1104396920.html\">The Mine Surveyor&#039;s Book Of Tables: Containing The Natural Sines, Cosines, Tangents, Cotangents, Secants And Cosecants (1892)</a>","width":400,"height":300}