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An impulse electric motor for driving recording instruments
| Author: | Joachim, W. F. |
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| Year: | 1923 |
| Document Type: | N/A |
| Series: | NACA Technical Notes |
| Report Number: | NACA-TN-157 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc53830/ |
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