{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Short cuts for round layouts : a textbook and working guide with practical and modern methods for laying out and forming patterns for round and oblong fittings, T's, elbows, and hoods: mathematical formulas applied to sheet-metal work","author_name":"Joseph J. Kaberlein","thumbnail_url":"https://www.ebooknetworking.net/books/B00/7T5/bigB007T59M8A.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007T59M8A.html\">Short cuts for round layouts : a textbook and working guide with practical and modern methods for laying out and forming patterns for round and oblong fittings, T&#039;s, elbows, and hoods: mathematical formulas applied to sheet-metal work</a>","width":400,"height":300}