Exploring the heavens /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Crowell,
[1937]
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| Subjects: |
| Item Description: | Diagrams on lining-papers. |
|---|---|
| Physical Description: | ix, 1 unnumbered page, 223 pages : frontispiece, plates, portraits, diagrams ; 23 cm. |