An explanation of the method of adjustment of the back horizon glass of Hadley's Quadrant, by two near objects. Also a description of a projected addition to it according to the method of Mr. Blair. With 1 plate.
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| Citation: | Transactions of the Royal Irish Academy, Vol. XII, pp. 3-29, 1811-15 |
| Format: | Journal Article |
| Published: |
1811-15
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At the NLI:
See Main Catalogue entry for
Transactions of the Royal Irish Academy
