دورية أكاديمية
Transmitting Speech by the Telegraph Key and Sounder
| العنوان: | Transmitting Speech by the Telegraph Key and Sounder |
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| المؤلفون: | Dodge, H. F. |
| المصدر: | Scientific American, 1881 Aug . 45(9), 132-132. |
| URL الوصول: | https://www.jstor.org/stable/26076417 |
| قاعدة البيانات: | JSTOR Journals |
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