Reconnaissance Moska-MB during World War I
Reconnaissance aircraft Moska-MB Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Engels-II hydroplane during World War I
Engels-II hydroplane, flying boat Public domain photograph - aircraft, aviation, free to use, no copyright restrictions image - Picryl description
Lebed IX during World War I, Russian Empire
Lebedev Lebed IX Public domain photograph - aircraft, aviation, free to use, no copyright restrictions image - Picryl description
Flying boat LM-2 during World War I
Flying boat LM-2 hydroplane Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Flying boat LM-2 during World War I
Flying boat LM-2 Public domain photograph - aircraft, aviation, free to use, no copyright restrictions image - Picryl description
Schwerer Bomber Ilya Muromets Serie B, Argus, im Flug
Heavy bomber Ilya Muromets in flight Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Beketov A.N. 2 1900th, Russian Empire
Русский: Академик архитектуры Алексей Николаевич Бекетов в шляпе. Конец 1890-х или самое начало 1900-х годов.
Томми король воздуха - обложка книги
Русский: Томми король воздуха (обложка книги издательства А. Д. Ступина). Автор книги — жена А. Д. Ступина — Евгения Васильевна Тенсон-Маковецкая.