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This sure looks like a helicopter of some sort - with turbines at either end of a parasol monoplane.
I can't find a photo or drawing of any his inventions, but I think this may be something built by Ján Bahýľ, the inventor from Bratislava.
Bahyl was granted seventeen patents in all, and his inventions included a water pump, a flying balloon combined with an air turbine, the first petrol engine car in Slovakia (along with Anton Marschall) and a lift inside the castle hill up to the Bratislava Castle.
In 1894 he designed his combined balloon air turbine. The following year Emperor Franz Joseph granted him a patent, nr. 3392 - 13 August 1895, for a helicopter. He constructed a helicopter in 1901 that ascended to a height of 0.5 meters. In 1903 he reached 1.5 meters and on 5 May 1905 he flew using his petrol engine helicopter to a height of four meters over a distance of 1500 meters. His attempt was also supposedly recorded by the so-called International Airship Organization.
So... I'll say its the Bahyl Helicopter of 1901.
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Cheers
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