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Reconstructed from her measurements. ab, cd, and ef are all equal to each other, as are also gh, hk, and kl. The clouds are situated in the outer part of the aer tenuis, and form a prolongation downwards from the aer aquosus towards the earth.

Author

Studies in the History and Method of Science
Editor: Charles Singer
Published in 1917
Available from gutenberg.org

Posted on

Wednesday 4 November 2020

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600*653

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• Technology / Astronomy

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