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Navigational computing instrument
Similar to the Willis navigating machines: knowing declination, altitude (zenith distance) you can find hour angle or azimuth, or the other way round.
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Object Details
| ID: | ZBA0785 |
|---|---|
| Type: | Navigational computing instrument |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | Unknown |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 310 mm x 300 mm x 370 mm |
| Parts: | Navigational computing instrument |