{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Valuable secrets concerning arts and trades, or, Approved directions, from the best artists, for the various methods of engraving on brass, copper or steel.","author_name":"Dossie, Robert","thumbnail_url":"https://www.ebooknetworking.net/books/127/560/big127560529X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-127560529X.html\">Valuable secrets concerning arts and trades, or, Approved directions, from the best artists, for the various methods of engraving on brass, copper or steel.</a>","width":400,"height":300}