This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Zerbe Sextuplane. en The Zerbe Sextuplane ggbain author Aircraft only existed PDUS PDBain Early aircraft Zerbe Sextuplane in aviation in the United States
Page 2023 Free-images.com. All images are Public Domain