{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lectures On Explosives: Prepared Especially As a Manual and Guide in the Laboratory of the U.S. Artillery School","author_name":"Willoughby Walke","thumbnail_url":"https://www.ebooknetworking.net/books/114/263/big1142631117.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1142631117.html\">Lectures On Explosives: Prepared Especially As a Manual and Guide in the Laboratory of the U.S. Artillery School</a>","width":400,"height":300}