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>Report of Examination of the Sun's Disk at Guildown, Guilford, on 21st, 22nd, and 23rd March 1877, for the suspected planet Vulcan, with a 3Formula-in. Cooke Refractor. Huyghenian eye-pieces 20 and 50. Transit eye-piece about 40
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Report of Examination of the Sun's Disk at Guildown, Guilford, on 21st, 22nd, and 23rd March 1877, for the suspected planet Vulcan, with a 3Formula-in. Cooke Refractor. Huyghenian eye-pieces 20 and 50. Transit eye-piece about 40
