On a moveable horizontal sun-dial, capable of indicating apparent solar time within a small fraction of a minute.
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| Citation: | Transactions of the Royal Irish Academy, ScienceVol. XXIV, pp. 17-29, 1858-71 |
| Format: | Journal Article |
| Published: |
1858-71
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At the NLI:
See Main Catalogue entry for
Transactions of the Royal Irish Academy
