{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geometrical drawing: a collection of plates for practical use in elementary mechanical drawing","author_name":"Ferdinand Friederich Hans Schraidt","thumbnail_url":"https://www.ebooknetworking.net/books/B00/7QC/bigB007QCHFF8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007QCHFF8.html\">Geometrical drawing: a collection of plates for practical use in elementary mechanical drawing</a>","width":400,"height":300}