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Nocturnal
Nocturnal. 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. Index arm for alignment with the pointer stars of the Big Dipper.
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. Index arm for alignment with the pointer stars of the Big Dipper.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | AST0144 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Nocturnal |
| Display location: | Not on display |
| Creator: | Schiavone, Eugene |
| Date made: | 1974 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 7 x 146 x 95 mm |
| Parts: | Nocturnal |
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