Nasa. Avion expérimental X-21A. Rare et beau profils de l'avion X-21A construit par Northtrop Corporation pour l'étude de la circulation de l'air en haute altitude. Deux modèles seulement furent construits avant l'arrêt du programme. 1963.Tirage chromogénique d'époque sur papier "THIS PAPER MANUFACTURED BY KODAK". Légende sur feuillet au dos. 25,3 x 20,3cm avec marges.
Nasa. experimental aircraft X-21A. Rare and beautiful patterns of X-21A aircraft built by Northrop Corporation for the study of the flow of air at high altitudes. Two models were built just before stopping the program. 1963.Vintage print on "THIS PAPER MANUFACTURED BY KODAK". Legend of the back sheet. 25.3 x 20.3cm with margins.
Nasa. Versuchsflugzeug X-21A. Seltene und schöne Muster von X-21A Flugzeug von Northrop Corporation für die Untersuchung der Strömung der Luft in großen Höhen gebaut. Zwei Modelle wurden kurz vor dem Anhalten des Programms gebaut. 1963.Tirage chromogenen Jahrgang Papier "THIS PAPER HERGESTELLT VON KODAK". Die Legende von der Rückseitenfolie. 25,3 x 20,3 cm mit Margen.
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