{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A handbook of wireless telegraphy; its theory and practice: For the use of electrical engineers, students, and operators","author_name":"James Erskine-Murray","thumbnail_url":"https://www.ebooknetworking.net/books/B00/41Q/bigB0041Q3KD8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0041Q3KD8.html\">A handbook of wireless telegraphy; its theory and practice: For the use of electrical engineers, students, and operators</a>","width":400,"height":300}