✦ LIBER ✦

THE NEW ALLEGHENY OBSERVATORY

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

New Instruments for the Allegheny Observ

✍ A. J. Burnham and E. S. H. 📂 Article 📅 1891 🏛 University of Chicago Press 🌐 English ⚖ 239 KB

The Allegheny Observatory

✍ S. P. Langley 📂 Article 📅 1871 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB

THE ALLEGHENY OBSERVATORY

📂 Article 📅 1920 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 250 KB

Allegheny Observatory, University Of Pit

📂 Article 📅 1952 🏛 Nature Publishing Group 🌐 English ⚖ 125 KB

THE OBSERVATORY HILL RAILWAY OF ALLEGHEN

📂 Article 📅 1889 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 929 KB

SPECTROSCOPIC OBSERVATIONS OF SATURN AT

✍ KEELER, J. E. 📂 Article 📅 1895 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 72 KB