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Lewitsky - Improved Flying Machine, British Patent 3305 of 1910 (1911)
Wasily Lewitsky and Paul Lyssow · leaf 2
'9'9 (bo A.D. 1910. Fes, 10. N2 3305, ’ BRITISH 3 3 / OF LEWITSKY & another's CompLETE SPECIEIOATION. | (aes rise a ee SEIN sia goo er if sHEET 2. ©Patents · British patents · Flying machines · Aircraft
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
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