✦ LIBER ✦

Provisional sunspot-numbers for May to December 1927

✍ Scribed by Wolfer, A.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Provisional sunspot numbers for December

✍ Wolfer, A. 📂 Article 📅 1927 🏛 American Geophysical Union 🌐 English ⚖ 17 KB

Provisional sunspot-numbers for May to J

✍ Brunner, W. 📂 Article 📅 1930 🏛 American Geophysical Union 🌐 English ⚖ 33 KB

PROVISIONAL SUNSPOT-NUMBERS FOR OCTOBER

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

Provisional sunspot-numbers for October

✍ Waldmeier, M. 📂 Article 📅 1949 🏛 American Geophysical Union 🌐 English ⚖ 23 KB

Provisional sunspot-numbers for October

✍ Waldmeier, M. 📂 Article 📅 1950 🏛 American Geophysical Union 🌐 English ⚖ 44 KB

Provisional sunspot-numbers for October

✍ Waldmeier, M. 📂 Article 📅 1951 🏛 American Geophysical Union 🌐 English ⚖ 49 KB