The General Theory of Blade Screws Including Propellers, Fans, Helicopter Screws, Helicoidal Pumps, Turbo-Motors, and Different Kinds of Helicoidal Blades
| Author: | de Bothezat, George |
|---|---|
| Year: | 1919 |
| Document Type: | N/A |
| Series: | NACA Technical Reports |
| Report Number: | NACA-TR-29 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc65648/ |