✦ LIBER ✦

Cheltenham Magnetic Observatory April to September, 1931

✍ Scribed by Hartnell, Geo.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Cheltenham Magnetic Observatory April to

✍ Hartnell, Geo. 📂 Article 📅 1933 🏛 American Geophysical Union 🌐 English ⚖ 53 KB

Sitka Magnetic Observatory April to Sept

✍ Ulrich, Franklin P. 📂 Article 📅 1931 🏛 American Geophysical Union 🌐 English ⚖ 57 KB

Cheltenham Magnetic Observatory January

✍ Hartnell, Geo. 📂 Article 📅 1931 🏛 American Geophysical Union 🌐 English ⚖ 40 KB

Cheltenham Magnetic Observatory October

✍ Hartnell, Geo. 📂 Article 📅 1932 🏛 American Geophysical Union 🌐 English ⚖ 55 KB

Cheltenham Magnetic Observatory July to

✍ Hartnell, Geo. 📂 Article 📅 1930 🏛 American Geophysical Union 🌐 English ⚖ 60 KB

Cheltenham Magnetic Observatory July to

✍ Hartnell, Geo. 📂 Article 📅 1932 🏛 American Geophysical Union 🌐 English ⚖ 95 KB