Picture has been licensed under a Creative Commons
Attribution license.
Original source:
Hatz biplane
Author
maryatexitzero
[edit] Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
You are free:
to share – to copy, distribute and transmit the work
Author:
maryatexitzero
[edit] Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
You are free:
to share – to copy, distribute and transmit the work