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Description: | Planisphere. two circular perspex discs rotating over one another. Top plate carries hour scale and horizon band, through the unmasked section of the top disc can be seen a map of so much of the night sky as is visible to the observer, with horizons within the region 46.5 - 36.5 degrees.
caption: Planisphere - Philips | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Globes at Greenwich planispheres Planisphere George Philip & Son | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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