C Hetyrehplan Saveleva during World War I
C Hetyrehplan Saveleva Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Soldaten und Offiziere der Staffel bei der Verleihung der St. Georgs-M...
Soldiers and officers of the squadron during the ceremony of the St. George medals. Riga. 1915. XX air force Squad in the war of 1914-1915. Солдаты и офицеры авиаотряда во время церемонии вручения Георгиевск... Mehr
Engels-II Wasserflugzeug, Flugboot
Engels-II hydroplane, flying boat Public domain photograph of a bomber aircraft, free to use, no copyright restrictions image - Picryl description
Fighter Torpedo from above during World War I
Fighter Torpedo Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Flugboot, Wasserflugzeug VM-2 von Grigorovich
Flying boat, hydroplane VM-2 by Grigorovich Public domain photograph of a bomber aircraft, free to use, no copyright restrictions image - Picryl description