{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lectures on Explosives; A Course of Lectures 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/145/883/big1458830284.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1458830284.html\">Lectures on Explosives; A Course of Lectures Prepared Especially as a Manual and Guide in the Laboratory of the U.s. Artillery School</a>","width":400,"height":300}