| 21. | "Sight-seeing " opens with an early version of virtual reality : a stereoscope.
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| 22. | He called it the " lenticular stereoscope ", which was the first portable, 3D viewing device.
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| 23. | The megalethoscope was and is often confused with the stereoscope which was of a different design and effect.
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| 24. | Lkyo soon mastered the techniques of drawing stereoscope images ( " ", eyeglass pictures ).
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| 25. | A stereoscope image of the Pioneer Cabin with people and horse passing through ( c . 1867 1899)
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| 26. | The stereoscope craze was long-lived : It waxed and waned for the better part of a century.
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| 27. | This beguiles a little; we get a third-dimension, stereoscope effect as reality and fiction play tag.
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| 28. | When this pair was viewed through the stereoscope, however, the square appeared to rise out from the page.
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| 29. | In the 1970s, Christopher Tyler invented autostereograms, random-dot stereograms that can be viewed without a stereoscope.
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| 30. | Seen through the stereoscope, the images merged into one, creating a 3-D effect that astounded and amazed.
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