{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical Perspective: A Treatise Showing just how to Make All Kinds of Mechanical Drawings in the Only Practical Perspective (Isometric) etc","author_name":"Fred Herbert Colvin Frank Richards","thumbnail_url":"https://www.ebooknetworking.net/books/054/370/big0543702677.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0543702677.html\">Practical Perspective: A Treatise Showing just how to Make All Kinds of Mechanical Drawings in the Only Practical Perspective (Isometric) etc</a>","width":400,"height":300}