{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Telephone Theory and Practice: Manual Switching and Substation Equipment.","author_name":"Kempster B., Miller","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000WLTJH2.html\">Telephone Theory and Practice: Manual Switching and Substation Equipment.</a>","width":400,"height":300}