Feb 16 1933
From The Space Library
Jump to:
navigation
,
search
German rocket pioneer
Hermann Oberth
is granted
German patent #570511
for a rocket engine.
Views
Page
Discussion
View source
History
Personal tools
18.219.40.177
Talk for this IP
Log in
Navigation
Main Page
Community portal
Recent changes
Random page
Help
Edit PayPal Items
Beta PDF Search
Search
Toolbox
What links here
Related changes
Upload file
Special pages
Printable version
Permanent link