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|a IeDuNL
|b eng
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| 100 |
1 |
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|a Edgeworth, William
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| 245 |
1 |
0 |
|a Letter to Alexander Nimmo, giving an account of a few of the principal triangles upon which the map of the county of Roscommon was constructed. With 1 plate.
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| 260 |
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|c 1821-5
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| 300 |
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|b ill. ;
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| 600 |
1 |
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|a Edgeworth, William
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| 600 |
1 |
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|a Nimmo, Alexander
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| 650 |
0 |
4 |
|a Surveying and Surveyors
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| 650 |
0 |
4 |
|a Surveying
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| 651 |
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|a Roscommon County
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| 662 |
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|a Ireland
|b Connacht
|c Roscommon
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| 773 |
0 |
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|g ScienceVol. XIV, pp. 63-67, 1821-5
|q :XIV<63
|p Royal Irish Academy Trans.
|t Transactions of the Royal Irish Academy
|p Transactions of the Royal Irish Academy
|w (IeDuNL)vtls000145122
|o J 506
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| 928 |
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|a Dublin: National Library of Ireland
|c Ir 506 r 22
|k 186505
|s 1787 - 1907
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