Elmer Sperry and His Magic Top
| Autor: | WICKWARE, FRANCIS SILL |
|---|---|
| Zdroj: | Scientific American, 1943 Aug 01. 169(2), 66-84. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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| Autor: | WICKWARE, FRANCIS SILL |
|---|---|
| Zdroj: | Scientific American, 1943 Aug 01. 169(2), 66-84. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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