| 1. | The viewer looked through a stereoscope to converge the two images.
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| 2. | Bierstadt held an 1876 patent for an improvement to the stereoscope.
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| 3. | Among the most successful was the Holmes-Bates stereoscope.
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| 4. | They performed in the IMRO Other room and performed'Stereoscope '.
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| 5. | The photos are converted to digital images, then viewed through a stereoscope.
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| 6. | Autostereograms are similar to normal stereograms except they are viewed without a stereoscope.
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| 7. | In 1840, Sir Charles Wheatstone developed the stereoscope.
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| 8. | 1905 stereoscope of daily life in the Middle East.
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| 9. | It is sold with an OWL focussing stereoscope designed by Dr . May.
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| 10. | In 1898 Keystone began making and selling stereoscopes.
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