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c-a documents
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Ice under Pressure
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Spectroscopic Notes, 1879–80
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The Reversion of Sunflowers at Night
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Krukenberg's Chromatological Speculations
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Standard Railroad Time
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The Composition of Chlorophyll
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The Longitude of Rio
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[Letters to Editor]
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Note on the Chromosphere Spectrum
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The Chromosphere Line λ 6676.9
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Meteors
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Magnetism of Rock Pinnacles
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Recent Local Rising of Land in the North-west of Europe
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Drought at Antigua
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The Tick Pest in the Tropics
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The Origin of Plant Structures by Self-adaptation to the Environment
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The “4026.5” Line and D3
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Distillery Pollution
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The Origin of Plant Structures
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Experimental Geometry in Secondary Schools
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The Roots of the Equation u = tan u
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