{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"War Work of the Bureau of Standards: April 1, 1921 [1921]","author_name":"United States. National Bureau of Standards.","thumbnail_url":"https://www.ebooknetworking.net/books/111/259/big1112590471.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1112590471.html\">War Work of the Bureau of Standards: April 1, 1921 [1921]</a>","width":400,"height":300}