✦ LIBER ✦

Provisional sunspot numbers for April to June, 1925

✍ Scribed by Wolfer, A.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Provisional sunspot-numbers for April to

✍ Waldmeier, M. 📂 Article 📅 1958 🏛 American Geophysical Union 🌐 English ⚖ 47 KB

Provisional sunspot-numbers for April to

✍ Waldmeier, M. 📂 Article 📅 1949 🏛 American Geophysical Union 🌐 English ⚖ 43 KB

Provisional sunspot-numbers for April to

✍ Waldmeier, M. 📂 Article 📅 1950 🏛 American Geophysical Union 🌐 English ⚖ 43 KB

Provisional sunspot-numbers for April to

✍ Waldmeier, M. 📂 Article 📅 1951 🏛 American Geophysical Union 🌐 English ⚖ 47 KB

Provisional sunspot-numbers for April to

✍ Waldmeier, M. 📂 Article 📅 1952 🏛 American Geophysical Union 🌐 English ⚖ 46 KB

Provisional sunspot-numbers for April to

✍ Waldmeier, M. 📂 Article 📅 1953 🏛 American Geophysical Union 🌐 English ⚖ 46 KB