Air and Chemical Defense League was a mass Polish paramilitary organization, founded in 1928 as a result of the merger of the State Air Defense League with the Gas Defense Society. In 1937 it numbered
League's pinup, with the interbellum logo
Lubliniak, 1925 (photograph Ludwik Hartwig)
RWD 17
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The RWD 17 was a Polish aerobatics-trainer aircraft of 1937, parasol wing monoplane, constructed by the RWD team.
RWD 17W floatplane prototype