MAKE A MEME View Large Image Lanature1873 telescope gregory.png Fig 1 - Coupe du télescope de Grégory pour La Nature revue des sciences n° 18 page 279 http //cnum cnam fr/CGI/page cgi 4KY28 1/287/100/p 279 1873 author This image is in the public domain because its ...
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Keywords: Lanature1873 telescope gregory.png Fig 1 - Coupe du télescope de Grégory pour La Nature revue des sciences n° 18 page 279 http //cnum cnam fr/CGI/page cgi 4KY28 1/287/100/p 279 1873 author This image is in the public domain because its copyright has expired La Nature - Revue des Sciences - 1873 Reflecting telescope diagrams PD-old
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