Ueber eine Anwendung von Libellen zur Be
✍
Dr. C. Braun
📂
Article
📅
1882
🏛
John Wiley and Sons
🌐
English
⚖ 127 KB
## 2445 3 76 The manner in which the period of 51/i days resulted from last year's observations is apparent. During the latter part of that series the star was 'visible only in early evening, and could only be seen below normal brightness at intervals of 6 periods or 5.03 days, generally, with an o