Catalogue Page from Exhibition Catalogue: 1909 Fifty-fourth Annual Exhibition of the Royal Photographic Society of Great Britain

showing (E09A029) Exhibit no. 411: Enlarged prints of photographs of Comet C, 1908 (Morehouse), taken at the Stonyhurst College Observatory by Fathers Sidgreaves and Cortie, with a Dallmeyer Portrait Lens, 6 inches aperture, focal length 30 inches. Fourfold enlargements by Rev. A. L. Cortie ()

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