[Article] Popular exposition of some scientific experiments. Part III.–Things that are invisible.–The nature of sight.–Visual deceptions, By John William Draper | Harper's Magazine

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[Article]

Popular exposition of some scientific experiments. Part III.–Things that are invisible.–The nature of sight.–Visual deceptions

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19th century Fraunhofer lines Hallucinations and illusions Optical illusions Religion and science Research United States Vision

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