The how of the helicopter /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
Cornell Maritime Press,
[1946]
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| Subjects: |
| Item Description: | "First edition." |
|---|---|
| Physical Description: | 4 pages ., 3-58 pages : color illustrations ; 24 cm. |