Aerial photographs - A.A.Kovanko aircraft
Aviator A.A.Kovanko aircraft Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Lebedev Lebed XII with open engine
Lebedev Lebed XII with open engine Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Flying boats, hydroplanes M-9 by Grigorovich maintenance
Flying boats, hydroplanes M-9 by Grigorovich maintanence Public domain photograph of aircraft, free to use, no copyright restrictions image - Picryl description
Alfred Nobel, Baku - DIG93944, Tekniska museet, Sweden
Porträtt av Th. Arvidsson. Karl Wilhelm Hagelins vän i Astracha, 1881-1891. Bilden ingår i två stora fotoalbum efter direktör Karl Wilhelm Hagelin som arbetade länge vid Nobels oljeanläggningar i Baku.
Flying boat, hydroplane M-9 by Grigorovich, maintenance
Flying boat, hydroplane M-9 by Grigorovich, maintenance Public domain photograph of aircraft, free to use, no copyright restrictions image - Picryl description