✦ LIBER ✦

Provisional sunspot-numbers for September and October 1928

✍ Scribed by Wolfer, A.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Provisional sunspot-numbers for Septembe

✍ Brunner, W. 📂 Article 📅 1937 🏛 American Geophysical Union 🌐 English ⚖ 24 KB

Provisional sunspot-numbers for August,

✍ Brunner, W. 📂 Article 📅 1931 🏛 American Geophysical Union 🌐 English ⚖ 42 KB

Provisional sunspot-numbers for Septembe

✍ Brunner, W. 📂 Article 📅 1932 🏛 American Geophysical Union 🌐 English ⚖ 46 KB

Provisional sunspot-numbers for November

✍ Brunner, W. 📂 Article 📅 1929 🏛 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