35 Photos - Sep 30, 2012
Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Photo: Original optic: Fourth-order Fresnel (1879); Present optic: Fourth-order Fresnel (1928).Photo: Photo: