[TSIOLKOVSKY DEFENDING HIS IDEAS] Zashchita aeronata [i.e. The Defence of the Aeronat].
Kaluga: Izdaniye avtora; E.T. Archangelskaya, 1911. 12 pp.: ill., photos. Original illustrated wrappers. Fine. Very rare pre-revolutionary brochure in mint condition. Konstantin Tsiolkovsky (1857-1935) is a man whose ideas made the space exploration possible. In the 1910s he has already proven that it’s not impossible to send some..... More