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| POSSEDUTO (se manca la collocazione vai al documento contenente) | |
| Autore principale: | Pumfrey, Stephen.
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| Titolo: | O tempora, o magnes! : a sociological analysis of the discovery of secular magnetic variation in 1634 / Stephen Pumfrey. |
| Abstract: | Discusses the discovery made by Gresham professor Henry Gellibrand |
| In: |  British journal for the history of science Vol. 46 (1989), p. 181-214 |
| 000000161398 |
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