{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Key To The Solar Compass And Surveyors Companion: Comprising All The Rules Necessary For Use In The Field (1881)","author_name":"William A. Burt","thumbnail_url":"https://www.ebooknetworking.net/books/054/869/big0548691487.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0548691487.html\">A Key To The Solar Compass And Surveyors Companion: Comprising All The Rules Necessary For Use In The Field (1881)</a>","width":400,"height":300}