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Description: | Nocturnal. The instructions are marked AST0144.1 and can be found via the Whole/Part toggle.
Folding diptych with nocturnal on upper leaf inside and instructions for use on inside of lower leaf. Corners of leaves protected by metal corner-pieces. Yellow paper with blue printing used inside.
Nocturnal: Fixed disc with floral motifs in the four corners around it, and rotatable disc and pointer.
Fixed disc: Date scale divided anticlockwise to named months, numbered and divided to 5 days. Meridian transit (lowest point) at 1 July.
Rotatable disc: Hour scale divided anticlockwise subdivided to 15 min. Three pointers for Big Dipper, Little Dipper and Cassiopeia.
Pointer: Central hole with brass lining. Pointer starage position marked.
Instructions include a drawing of the night sky with the three constellations and the Pole Star marked. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | nocturnals | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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