{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elevators: A Practical Treatise On The Development And Design Of Hand, Belt, Steam, Hydraulic, And Electric Elevators (1915)","author_name":"John H. Jallings","thumbnail_url":"https://www.ebooknetworking.net/books/143/693/big1436936020.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1436936020.html\">Elevators: A Practical Treatise On The Development And Design Of Hand, Belt, Steam, Hydraulic, And Electric Elevators (1915)</a>","width":400,"height":300}