Die Entstehung der photographischen Aure
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Eugen V. Gothard
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Article
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1901
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John Wiley and Sons
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English
⚖ 189 KB
In England very clear weather favoured observations of the recent shower of Lyrids. Meteors were, however, rare except on the night of Sunday, April 2 1 , when the display attained a definite maximum though one of only moderate richness. About X I Lyrids per hour could be seen by one observer. This