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| NON posseduto | |
| Autore principale: | Lloyd, Humphrey, 1800-1881.
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| Titolo: | On earth-currents in connexion with magnetic disturbances / by H. Lloyd ; read before the Royal Irish Academy, April 28, 1862. |
| In: |  Dublin quarterly journal of science Vol. 2 (1862), p. 209-212 |
| 000000173049 |
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