Early Rocketry: Congreve Rocket, Hermann Oberth, Konstantin Tsiolkovsky, Robert H. Goddard, Huolongjing, Kazimierz Siemienowicz Book Discussion
| topics Showing 1-1 of 1 | started by | posts | views |
last activity
|
|
|---|---|---|---|---|---|
| Participate in Publishing Lost Philosophical Works by Konstantin Tsiolkovsky - “father of space travel” in English! Join our project and get his works in PDF! Are you interested? | Publishing | 1 | 1 | Mar 07, 2013 04:35AM |
