Inventing for fun and profit /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Coward-McCann, inc.,
[1943]
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| Subjects: |
| Physical Description: | 4 pages ., v-ix pages, 1 ., 229 pages : illustrations (including portraits, facsimiles) diagrams ; 20 cm. |
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