{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise On New Philosophical Instruments, for Various Purposes in the Arts and Sciences. with Experiments On Light and Colours","author_name":"David Brewster","thumbnail_url":"https://www.ebooknetworking.net/books/114/201/big1142018393.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1142018393.html\">A Treatise On New Philosophical Instruments, for Various Purposes in the Arts and Sciences. with Experiments On Light and Colours</a>","width":400,"height":300}