Observations and Investigations made at the Blue Hill Observatory, Massachusetts, U. S. A., in the Years 1906, 1907 and 1908, under the Direction of A. LAWRENCE ROTCH

✍ Scribed by WARD, R. DEC.

• Book ID: 121110677
• Publisher: American Association for the Advancement of Science
• Year: 1911
• Tongue: English
• Weight: 180 KB
• Volume: 34
• Category: Article
• ISSN: 0036-8075
• DOI: 10.1126/science.34.885.846-a