| 41. | :Scientific instruments, cameras and optical instruments often use a First surface mirror to avoid the extra reflection.
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| 42. | They used high-performance optical instruments and underwater microphones in an attempt to locate one of the dolphins.
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| 43. | His late wife, the former Tokiko Yoshikawa, was the daughter of the president of Yoshikawa Optical Instruments.
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| 44. | Ibn al-Haytham took a straightforward approach towards vision by explaining that the eye was an optical instrument.
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| 45. | The station can provide guest scientists and students with basic scientific equipment, optical instruments and some other devices.
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| 46. | Gemstone refractometers are available both as classic optical instruments and as electronic measurement devices with a digital display.
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| 47. | He studied optical instrument engineering at Changchun Optical College ( later Changchun University of Science and Technology ).
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| 48. | Zygo Corp ., a maker of electronic measuring and optical instruments, slid 2 to 32 3 / 4.
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| 49. | He studied at the University of Manchester and worked for a time in his family's optical instrument business.
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| 50. | Ramsden married Sarah Dollond, daughter of John Dollond the famous maker of high quality lenses and optical instruments.
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