✦ LIBER ✦

The Aurora Borealis of March 22–23, 1920, as seen at the Cheltenham Magnetic Observatory

✍ Scribed by Hartnell, Geo.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The magnetic storms of March 22–25, 1920

✍ Lemos, Alix 📂 Article 📅 1921 🏛 American Geophysical Union 🌐 English ⚖ 156 KB

Report on magnetic storm of July 7 and 8

✍ Hartnell, Geo. 📂 Article 📅 1928 🏛 American Geophysical Union 🌐 English ⚖ 61 KB

An Account of the Aurora Borealis, Seen

✍ Folkes, M. 📂 Article 📅 1719 🏛 The Royal Society ⚖ 293 KB

An Account of the Aurora Borealis, Seen

✍ Martin Folkes 📂 Article 📅 1717-1719 🏛 The Royal Society ⚖ 355 KB