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180 



4200 



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Michelucci, E. L'insolazione aPalermo. 

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Mitchell, S. A. Comet 190.3 Borrelly 

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4210 ECLIPSES. 



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eclipses. London, Mon. Xot. R. Astr. 

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the moon recordedmthe Almagest. London, 

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Reply to Professor X'ew- 



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An elementary explanation 



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