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Dr. Friedrich W. G. Spörer

✍ Scribed by L., W. J. S.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Beobachtungen von Sonnenflecken. (39.) V

✍ Herrn Prof. Dr. G. Spörer 📂 Article 📅 1868 🏛 John Wiley and Sons 🌐 English ⚖ 406 KB 👁 1 views

Beobachtungen von Sonnenflecken, von Her

✍ Herr; Dr. Spoerer 📂 Article 📅 1861 🏛 John Wiley and Sons 🌐 English ⚖ 234 KB 👁 1 views

DR. W. G. Duffield

✍ N, H. F. 📂 Article 📅 1929 🏛 Nature Publishing Group 🌐 English ⚖ 239 KB

DR. W. G. Smith

📂 Article 📅 1929 🏛 Nature Publishing Group 🌐 English ⚖ 122 KB

Dr. G. W. Lee

📂 Article 📅 1929 🏛 Nature Publishing Group 🌐 English ⚖ 123 KB

Dr. W. G. Shilling

✍ CURNOW, H. J. 📂 Article 📅 1955 🏛 Nature Publishing Group 🌐 English ⚖ 111 KB