Speculations. : Solar heat, gravitation and sun spots /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Chicago :
S.C. Griggs and company,
1891.
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| Edition: | 2d. ed. [Part III, Sun-spots]. |
| Subjects: |
| Item Description: | On cover: Presented to the members and fellows of the A.A.A.S. |
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| Physical Description: | 1 page ., v, 219-293 pages : illustrations, diagrams ; 20 cm. |