{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Displacement interferometry by the aid of the achromatic fringes, pt. [I]-IV (Volume 3)","author_name":"Carl Barus","thumbnail_url":"https://www.ebooknetworking.net/books/B00/37K/bigB0037KN59S.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0037KN59S.html\">Displacement interferometry by the aid of the achromatic fringes, pt. [I]-IV (Volume 3)</a>","width":400,"height":300}