| 1. | The window's surface is usually structured like a honeycomb made of convex lenses.
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| 2. | Drebbel became famous for his invention in 1621 of a microscope with two convex lenses.
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| 3. | French mathematician, Jean-Fran�ois Nic�ron ( 1613-1646 ) wrote about the camera obscura with convex lenses.
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| 4. | The concave and convex lenses from Ultima VI are also required to complete the quest.
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| 5. | She has packaged her messages variously, printing images on vinyl and on convex lenses called lenticulars.
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| 6. | A single convex lens was used in the preparation of some of the drawings for this book.
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| 7. | Images of black letters in a thin convex lens of focal length " f " are shown in red.
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| 8. | The " Dall null test " uses a plano-convex lens placed a short distance in front of the pinhole.
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| 9. | In a later edition of his " Natural Magic ", della Porta described this device as having a convex lens.
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| 10. | The specific epithet " " is from the Latin meaning " like a double-convex lens ", referring to the leaf shape.
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