Just to the north of the building that houses the Buller 21-inch telescope, is the Charles M. Huffer memorial sundial, which is mounted in a large concrete base afixed to some very large boulders. This bowl-shaped bronze sundial shows a reversed engraved map of the world. A horizontal bar across the bowl has a small metal nib, the shadow of which points out the time of the day (top and bottom for standard and daylight times), and also indicates the spot on the world where the sun is currently directly overhead.
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Outside the dome.