{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Measuring squareness with air: the right angle is one of those things that man has created in his mind. In nature it happens only by chance. However, ... TIPS): An article from: Modern Machine Shop","author_name":"George Schuetz","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002LMJHHM.html\">Measuring squareness with air: the right angle is one of those things that man has created in his mind. In nature it happens only by chance. However, ... TIPS): An article from: Modern Machine Shop</a>","width":400,"height":300}