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Description: | Lunar volvelle for the astronomical compendium for latitude 48� North. Beneath this, a lunar volvelle, consisting of two brass discs, is set into the remaining body of the instrument. The outer disc has a lunar-age scale and an hour scale. The rotatable brass disc has a pointer, an hour scale and a circular aperture revealing a pictorial display of the phases of the moon.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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