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Image © National Museums Scotland
View full screenThin section through glass elements of a dioptric condensing lens, with central Fresnel lens and outer annular prisms, dated 1860
T.1993.147
Lens, Fresnel / model / thin section
1860
Eponym: Fresnel
Shining Lights: The story of Scotland's Lighthouses (15 Oct 2010 - 03 Apr 2011)
Museum of Scotland