{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Patent prismatic surveying and azimuth compass invented by C. Schmalcalder, optical, mathematical, and philosophical instrument maker, London ... imported by Thompson & Homans, Washington","author_name":"D.C.) Thompson & Homans (Washington","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0006F804M.html\">Patent prismatic surveying and azimuth compass invented by C. Schmalcalder, optical, mathematical, and philosophical instrument maker, London ... imported by Thompson &amp; Homans, Washington</a>","width":400,"height":300}