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Jenaer Jahrbuch zur Technik- und Industriegeschichte 4 (2002) 9-42. ... On a new series of periodical colours produced by the grooved surfaces of metallic and ... Campbell, W.W. The Mirror of the Crossley Reflector-A Correction. ... Oswalt, T.D. Back to the Future: The SARA Observatory at Kitt Peak and the Future of Small ...