| 1. | Together with the optical instrument manufacturer Zeiss, he developed the slit ultramicroscope.
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| 2. | Its product range by this point included several optical instruments besides microscopes.
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| 3. | Zenbei researched some imported optical instruments, then in 1793, made his first telescope.
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| 4. | It gives a technical and cultural-historical survey of the development of optical instruments.
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| 5. | He filled the observatory with a collection of maps, globes and optical instruments.
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| 6. | Thomas Cooke, the machinist and optical instrument maker, was born here.
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| 7. | His Brashear Company factory manufactured optical instruments for science and industry.
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| 8. | It was also popular choice for use in optical instruments, especially in Germany.
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| 9. | In the second main sections, the results obtained are applied to optical instruments.
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| 10. | He decided that for such detailed work, they may have had optical instruments.
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मोबाइल