Glider Contest August 1923 – Alojzy Błażyński Blogoslawienstwo Bohatyrewa Miś (Teddy Bear) No.12 – Second Polish Glider Contest 17 May – 15 June 1925 Bohatyrewa...
6 KB (746 words) - 01:35, 30 December 2023
piotrp.de. Retrieved 2009-09-06. http://www.smil.org.pl/ptl/wyklady/26_Szybowiec_Zefir.pdf Development of "Zefir" gliders Lecture by Jerzy Śmielkiewicz...
6 KB (657 words) - 05:37, 10 June 2024