Instruments in the Teylers Museum.Reflecting telescope, after Isaac Newton, by William Herschel, slough, 1790. Example of Hersch
RMID:Image ID:D2B37A
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CNP Collection / Alamy Stock PhotoImage ID:
D2B37AFile size:
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2736 x 3648 px | 23.2 x 30.9 cm | 9.1 x 12.2 inches | 300dpiDate taken:
23 December 2011More information:
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Reflecting telescope, after Isaac Newton, by William Herschel, slough, 1790. Example of Herschel's most popular telescope. Octagonal barrel suppoted by aningeniously constructed framework, the whole made in mahongany. The image is created by a system of metal specula and is seen trhrough the side ocular.