{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Short-wave manual : a treatise on the design, construction, operation and adjustment of short- and ultra-short-wave receivers, aerials and equipment, with designs for eight short-wave receivers.","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/B00/1FS/bigB001FSPB14.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B001FSPB14.html\">Short-wave manual : a treatise on the design, construction, operation and adjustment of short- and ultra-short-wave receivers, aerials and equipment, with designs for eight short-wave receivers.</a>","width":400,"height":300}