{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Electric Waves: Being Researches On the Propagation of Electric Action with Finite Velocity Through Space","author_name":"Heinrich Hertz, Daniel Evan Jones","thumbnail_url":"https://www.ebooknetworking.net/books/114/484/big1144847516.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1144847516.html\">Electric Waves: Being Researches On the Propagation of Electric Action with Finite Velocity Through Space</a>","width":400,"height":300}