Abstract
Eclipse Observations and the Einstein Shift. Prof. E. Freundlich gave an account of his observations of the Einstein bending of light by the sun's gravitation at the meeting of the Royal Astronomical Society on Dec. 11. Notes on a similar lecture delivered at Oxford on Dec. 2 appeared in NATURE of Dec. 12, p. 993. Prof. Freundlich was probably the very first to attempt observations on the problem; he went to Russia in August 1914 with that end in view, but the outbreak of war caused obstacles to be put in his way, and nothing could be done. Abortive attempts were made at subsequent eclipses; at last he attained full success in Sumatra in the eclipse of 1929. Many precautions, suggested by the experience of others, were taken; in particular, a field of stars at a distance from the sun was photographed during totality, as well as the eclipse field; the two fields were again photographed simultaneously at a later date.
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Astronomical Topics. Nature 128, 1045 (1931). https://doi.org/10.1038/1281045a0
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DOI: https://doi.org/10.1038/1281045a0