{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sheet metal workers' handbook;: A reference book on mensuration, charts, tables, diagrams and information encountered in estimation, drafting, and general shop practice","author_name":"Joseph Peter Harner","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007E5KM2.html\">Sheet metal workers&#039; handbook;: A reference book on mensuration, charts, tables, diagrams and information encountered in estimation, drafting, and general shop practice</a>","width":400,"height":300}