The scientific papers of Sir William Huggins (1909)
Huggins, William, Sir, 1824-1910, Huggins, Lady, d. 1915 · London, W. Wesley and son · leaf 386
was afterwards examined ; but no indicationof similar lines could be detected. On each of the three evenings just mentionedsuccessive portions of the moons illuminated surface from the centre to thecircumference were brought before the slit of the spectrum apparatus. Thequantity of light from… … ■— o T>.yrL .
Astronomy
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