Page with four photographs of cloud formations by by an unknown photographer, 1887. From book entitled 'Cloud photographs taken in 1887 with a pair of cameras, one on the roof of the Observatory, the other 600 yds towards Richmond'.
Page with four photographs of cloud formations by by an unknown photographer, 1887. From book entitled 'Cloud photographs taken in 1887 with a pair of cameras, one on the roof of the Observatory, the other 600 yds towards Richmond'.
