Ascension 138-145 short set

Ascension Island 138-145 short set, MNH, $7.25. Michel 138-145. Man into Space, 1971. Chinese rocket, 1232; Medieval Arab astronomers; Tycho Brahe's Observatory, quadrant and sepurnova; Galileo, telescope and drawing of moon, 1609; Isaac Newton, telescope and apple; Harrison's chronometr and ship, 1735; Project Mercury, 1962; Palomar telescope and ring nebula in Lyra, Messier 57.