{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Rubber: Natural and synthetic; a comprehensive treatise on production and processing with a description of machinery and methods employedand the compounding ingredients used in manufactures","author_name":"Harold Jacob Stern","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0000CIXU1.html\">Rubber: Natural and synthetic; a comprehensive treatise on production and processing with a description of machinery and methods employedand the compounding ingredients used in manufactures</a>","width":400,"height":300}