✦ LIBER ✦

On the Period of Hemispherical Excess of Sun-Spots, and the 26-Day Period of Terrestrial Magnetism

✍ Scribed by Broun, J. A.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

On the Period of Hemispherical Excess of

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On a Supposed Periodicity in the Element

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✍ BROUN, JOHN ALLAN 📂 Article 📅 1877 🏛 Nature Publishing Group 🌐 English ⚖ 405 KB