Nell was the first liquid-fueled rocket, created by Robert Goddard in 1924. This diagram bring color and dimension that most previous diagrams lack. This diagram was made from scratch entirely in Adobe Photoshop.
<a href="//commons.wikimedia.org/w/index.php?title=User:Valefar1&amp;action=edit&amp;redlink=1" class="new" title="User:Valefar1 (page does not exist)">Al Blasko</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>