File:Calibration Certificate Sextant.jpeg
From Bidston Observatory
Revision as of 05:03, 17 April 2022 by CritterCompiler (talk | contribs)
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Summary
Calibration certificate for a sextant, an instrument for measuring longitude via lunar distance and lunar theory
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:24, 17 April 2022 | | 1,600 × 1,600 (480 KB) | CritterCompiler (talk | contribs) | Calibration certificate for a sextant, an instrument for measuring longitude via lunar distance and lunar theory |
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