✦ LIBER ✦

Provisional sunspot-numbers for November and December 1928

✍ Scribed by Brunner, W.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Provisional sunspot-numbers for November

✍ Brunner, W. 📂 Article 📅 1938 🏛 American Geophysical Union 🌐 English ⚖ 29 KB

Provisional sunspot-numbers for Septembe

✍ Wolfer, A. 📂 Article 📅 1928 🏛 American Geophysical Union 🌐 English ⚖ 30 KB

Provisional sunspot-numbers for January

✍ Wolfer, A. 📂 Article 📅 1928 🏛 American Geophysical Union 🌐 English ⚖ 27 KB

Provisional sunspot-numbers for June to

✍ Wolfer, A. 📂 Article 📅 1928 🏛 American Geophysical Union 🌐 English ⚖ 46 KB

Wolfer provisional sunspot-numbers for A

✍ Wolfer, A. 📂 Article 📅 1928 🏛 American Geophysical Union 🌐 English ⚖ 36 KB

PROVISIONAL SUNSPOT-NUMBERS FOR OCTOBER

✍ Waldmeier, M. 📂 Article 📅 1958 🏛 American Geophysical Union 🌐 English ⚖ 53 KB