✦ LIBER ✦

Provisional sunspot-numbers for August, September, and October, 1931

✍ Scribed by Brunner, W.

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 Septembe

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

Provisional sunspot-numbers for August t

✍ Brunner, W. 📂 Article 📅 1938 🏛 American Geophysical Union 🌐 English ⚖ 32 KB

Provisional Sunspot-Numbers for August t

✍ Brunner, W. 📂 Article 📅 1941 🏛 American Geophysical Union 🌐 English ⚖ 27 KB

Provisional sunspot-numbers for Septembe

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

Provisional sunspot-numbers for March an

✍ Brunner, W. 📂 Article 📅 1931 🏛 American Geophysical Union 🌐 English ⚖ 48 KB