Category:Human-powered helicopter of Mikołaj Surmanowicz at Polish Aviation Museum
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Media in category "Human-powered helicopter of Mikołaj Surmanowicz at Polish Aviation Museum"
The following 2 files are in this category, out of 2 total.
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Mięśniolot-wiropłat Mikołaja Surmanowicza MLP 01.jpg 8,192 × 6,144; 10.67 MB
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Mięśniolot-wiropłat Mikołaja Surmanowicza MLP 02.jpg 8,192 × 6,144; 10.27 MB