| 31. | Which is all a sundial can do, of course.
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| 32. | In 1465, he built a portable sundial for Pope Paul II.
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| 33. | Sundials differ in their portability and their need for orientation.
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| 34. | This model of the Sun's motion helps to understand sundials.
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| 35. | Note graph of Equation of Time, needed to correct sundial readings.
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| 36. | One leaf formed a vertical sundial, the other a horizontal sundial.
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| 37. | One leaf formed a vertical sundial, the other a horizontal sundial.
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| 38. | Pliny referred to a solar meridian, not a sundial.
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| 39. | A giant sundial is the main feature of the piazza.
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| 40. | The churchyard has a sundial erected by a former rector.
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