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Sun-spot observations / H.V. Gummere and F.P. Leavenworth.
LIBRA 378.73 H29M no.1-4
Available from offsite location
- Format:
- Book
- Author/Creator:
- Gummere, Henry Volkmar.
- Series:
- Haverford College studies ; no. 4
- Language:
- English
- Subjects (All):
- Sunspots--Observations.
- Sunspots.
- Comets--1888.
- Comets.
- Comets--1889.
- Physical Description:
- p. [17]-21 ; 25 cm.
- Place of Publication:
- Haverford, PA, [1890]
- Notes:
- Observations of sunspots and comets, 1888-1890.
- OCLC:
- 249613754
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