Observations Concerning the Planet Venus by Francesco Bianchini

Observations Concerning the Planet Venus

Francesco Bianchini with S. Beaumont (Translator), P. Fay (Translator)

172 pages missing pub info (editions)

nonfiction science
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In the early part of the eighteenth century, Francesco Bianchini of Verona turned his primitive telescope - a refractor of only a few centimetres aperture but with an enormous focal length of around 20 metres - on the planet Venus. He recorded som...

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