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Star plotter
Star plotter. A device to assist rapid plotting of the results of Rapid Sight Reduction without the aid of a parallel rule or dividers.
The Astroplot is engraved on a scale of 5 miles = 1 inch.
Baseplate: Constructed of bexoid and containing a rotable disc engraved in degrees from 1-359 around its circumference. The face of the disc is engraved with 2 miles squares.
Plotting surface: Perspex surface secured above, and proud of, the baseplate.
The Astroplot is engraved on a scale of 5 miles = 1 inch.
Baseplate: Constructed of bexoid and containing a rotable disc engraved in degrees from 1-359 around its circumference. The face of the disc is engraved with 2 miles squares.
Plotting surface: Perspex surface secured above, and proud of, the baseplate.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | NAV1027.1 |
|---|---|
| Type: | Star plotter |
| Display location: | Not on display |
| Creator: | Decca |
| Date made: | 1958 |
| Credit: | National Maritime Museum, Greenwich, London |
| Parts: | Star plotter |