V. Explanation of an optical deception in the appearance of the spokes of a wheel seen through vertical apertures

@article{RogetVEO,
  title={V. Explanation of an optical deception in the appearance of the spokes of a wheel seen through vertical apertures},
  author={Peter Mark Roget},
  journal={Philosophical Transactions of the Royal Society of London},
  pages={131 - 140}
}
  • P. Roget
  • Psychology
  • Philosophical Transactions of the Royal Society of London
A curious optical deception takes place when a carriage wheel, rolling along the ground, is viewed through the intervals of a series of vertical bars, such as those of a palisade, or of a Venetian window-blind. Under these circumstances the spokes of the wheel, instead of appearing straight, as they would naturally do if no bars intervened, seem to have a considerable degree of curvature. The distinctness of this appearance is influenced by several circumstances presently to be noticed; but… Expand
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