Isaac Newton's reflecting telescope, 1668. Isaac Newton (1642-1727), English scientist and mathematician built the first ever reflecting telescope in 1668. The instrument featured a polished metal speculum (mirror) that magnified 25 times. Artist: Isaac Newton. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Taille de l’image : | 3260 px × 3223 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |