{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Rotating amplifiers: The amplidyne, metadyne, magnicon and magnavolt and their use in control systems","author_name":"M. G. Say","thumbnail_url":"https://www.ebooknetworking.net/books/B00/305/bigB00305GRG8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00305GRG8.html\">Rotating amplifiers: The amplidyne, metadyne, magnicon and magnavolt and their use in control systems</a>","width":400,"height":300}