{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Belts & Pulleys; Embracing Full Explanations of Fundamental Principles; Proper Disposition of Pulleys; Rules, Formulas & Tables for ... Running Over Covered Pulleys; Strength & Prop","author_name":"John Howard Cromwell","thumbnail_url":"https://www.ebooknetworking.net/books/129/017/big1290171467.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1290171467.html\">A Treatise on Belts &amp; Pulleys; Embracing Full Explanations of Fundamental Principles; Proper Disposition of Pulleys; Rules, Formulas &amp; Tables for ... Running Over Covered Pulleys; Strength &amp; Prop</a>","width":400,"height":300}