Transit of Mercury, 1914

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Size: 2517px × 2627px
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Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1910s, 7, 1914, 20th, 7th, astronomy, body, bw, celestial, century, heliograph, mercury, november, novmber, photo, photoheliograph, planet, science, space, terrestrial, transit