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6by France. Depot des cartes et plans de la marine.Subjects: “...Magnetic declination -- Maps...”
Published 1846
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9by Halley, Edmond, 1656-1742Subjects: “...Magnetic declination -- Maps...”
Published 1739
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10by Maguire, R., Sabine, E.Get access
Published in Philosophical Transactions of the Royal Society of London (1857)
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12Published in Philosophical Transactions of the Royal Society of London (1857)Get access
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13Published in Proceedings of the Royal Society of London (1857)“... and recording, for seventeen months unremittingly, the hourly variations of the magnetic declination...”
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14by Eklund, Ann, Johansson, Maria, Flykt, Anders, Andrén, Henrik, Frank, JensSubjects: “...magnetic declination...”
Published in Biological Conservation (2020)
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17by Harvard Map Collection, Harvard College LibrarySubjects: “...Magnetic declination...”
Published 2009
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19Published in Philosophical Transactions of the Royal Society of London (1863)Get access
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20Published in Proceedings of the Royal Society of London (1864)Get access
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