| 1. | Littleton incorporated optical lens blanks manufactured by Corning with his own hot-worked glass.
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| 2. | The PC Magni-Viewer is the first acrylic optical lens PC magnifier.
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| 3. | In 1943, he got a job grinding optical lenses in Toronto.
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| 4. | The sale ends Pilkington's 17 years in the optical lens business.
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| 5. | The cost of optical lenses could be a deciding factor.
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| 6. | Similar machines are used to produce optical lenses and mirrors.
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| 7. | Definitely not a vacuum cleaner opening . seems optical lens ( ? ) inside.
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| 8. | The explosive lens is conceptually similar to an optical lens, which focuses light waves.
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| 9. | The company was founded by Haruji Yamamoto, as Yamamoto Optical Lens Factory, in Osaka.
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| 10. | In addition, CPV systems require optical lenses or mirrors and sometimes a cooling system.
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