{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"History Of The Signal Service, With Catalogue Of Publications, Instruments And Stations","author_name":"William Babcock Hazen","thumbnail_url":"https://www.ebooknetworking.net/books/140/975/big1409751317.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1409751317.html\">History Of The Signal Service, With Catalogue Of Publications, Instruments And Stations</a>","width":400,"height":300}