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 |
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