((Information |Description =((en|1=Sectional view and pneumatic system of Julius Neubronner's patented pigeon camera with two lenses.)) |Source =Richard Wachsmuth: ''Denkschrift der Ersten Internationalen Luftschiffahrts-Ausstellung (Ila) zu Fr
This browser is not supported by Wikiwand :( Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience. Please download and use one of the following browsers:
Your input will affect cover photo selection, along with input from other users.
X
Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?
Oh no, there's been an error
Please help us solve this error by emailing us at support@wikiwand.com
Let us know what you've done that caused this error, what browser you're using, and whether you have any special extensions/add-ons installed.
Thank you!