{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Telegraphic Determination Of The Force Of Gravity At Baltimore, Maryland: From Simultaneous Pendulum Observations At Washington And Baltimore (1895)","author_name":"Erasmus Darwin Preston","thumbnail_url":"https://www.ebooknetworking.net/books/116/564/big1165640953.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1165640953.html\">Telegraphic Determination Of The Force Of Gravity At Baltimore, Maryland: From Simultaneous Pendulum Observations At Washington And Baltimore (1895)</a>","width":400,"height":300}