{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elevator shaft construction; or, Practical suggestions for the installation of electric elevators in buildings","author_name":"Harry Robert Cullmer, Albert Bauer","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9UU/bigB009UUGMSA.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009UUGMSA.html\">Elevator shaft construction; or, Practical suggestions for the installation of electric elevators in buildings</a>","width":400,"height":300}