{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A System of Natural Philosophy: In Which the Principles of Mechanics, Hydrostatics, Hydraulics, Pneumatics, Acoustics, Optics, Astronomy, Electricity, Magnetism, Steam Engine, and Electro-Magnetism, A","author_name":"J. L. Comstock","thumbnail_url":"https://www.ebooknetworking.net/books/152/828/big1528285352.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1528285352.html\">A System of Natural Philosophy: In Which the Principles of Mechanics, Hydrostatics, Hydraulics, Pneumatics, Acoustics, Optics, Astronomy, Electricity, Magnetism, Steam Engine, and Electro-Magnetism, A</a>","width":400,"height":300}