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Philibert Jacques Melotte. Enquiries to Science Museum, London
Philibert Jacques Melotte. Enquiries to Science Museum, London
Glass positive:- comet 1914 v (Delavan) P.J. Melotte, Royal Observatory, Greenwich, 1914, September, 20d 15h 46m, 3 1/2-inch portrait lens, focal length, 11in, exposure, 45minutes.
