Use of petroleum as fuel in Russia
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C.
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Article
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1882
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Elsevier Science
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English
โ 60 KB
Use of Petroleum (~s Fuel. 229 of atmospheric vapor, a large amount of the ultra-red rays would assuredly be restored to the solar spectrum. This conclusion has'been recently established on the grandest scale by Professor Langley, -who .on the 10th of September wrote to the lecturer from an elevatio