The human sensorium : investigated as to figure by a course of pressures on the eyes, and by the induced phases and bearings of those sensations of colors called peacock's feathers : being a second supplement to the Rationale of cerebral vision / by John Fearn.

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The human sensorium : investigated as to figure by a course of pressures on the eyes, and by the induced phases and bearings of those sensations of colors called peacock's feathers : being a second supplement to the Rationale of cerebral vision / by John Fearn. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.