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>XVI. Additional observations tending to investigate the symptoms of the variable emission of the light and heat of the sun; with trials to set aside darkening glasses, by transmitting the solar rays through liquids; and a few remarks to remove objections that might be made against some of the arguments contained in the former paper
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XVI. Additional observations tending to investigate the symptoms of the variable emission of the light and heat of the sun; with trials to set aside darkening glasses, by transmitting the solar rays through liquids; and a few remarks to remove objections that might be made against some of the arguments contained in the former paper
