{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Electric switch and controlling gear. A handbook on the design, manufacture and use of switchgear and switchboards in central stations, factories and mines.","author_name":"Charles C. Garrard","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00CTBWI7G.html\">Electric switch and controlling gear. A handbook on the design, manufacture and use of switchgear and switchboards in central stations, factories and mines.</a>","width":400,"height":300}