Heliographic positions of sun-spots observed at Hamilton College from 1860-1870
Contributors: Frost, Edwin Brant, 1866-1935
Series: Carnegie Institution of Washington.  Publication no. 43; Carnegie Institution of Washington publication -- 43
Publisher: Carnegie Institution of Washington
Published: 1907
Place of publication: Washington, D.C
Language: eng
Number of pages: 189
Subjects: Sunspots.