Die Eroberung der Luft, about 234 color cards, each 1.5x2.5" with descriptive text below, ca. 1937. 40 pp, five sections of the album: 1) Early flight to about 1914, 2) Air travel, 3) Sport flying, 4) Gliding, 5) Free balloons and airships. Interior and cards are excellent, cover has one tear with interior tape repair and some edge bumps. About good overall.