{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"From Ascending Rooms to Express Elevators: A History of Passenger Elevator in the 19th Century","author_name":"Lee E. Gray","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1937689107.html\">From Ascending Rooms to Express Elevators: A History of Passenger Elevator in the 19th Century</a>","width":400,"height":300}