{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The boilermaker's assistant in drawing, templating, and calculating boiler work and tank work; With rules for the evaporative power and the horse ... of safety-valves; and useful tables of rivet","author_name":"John Courtney","thumbnail_url":"https://www.ebooknetworking.net/books/123/016/big1230166009.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1230166009.html\">The boilermaker&#039;s assistant in drawing, templating, and calculating boiler work and tank work; With rules for the evaporative power and the horse ... of safety-valves; and useful tables of rivet</a>","width":400,"height":300}