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Slovak Inventors

Slovak Inventors. Juraj Olejňák & Samo Majerník. Ján Bahýľ. He is consiedered as a father of helicopter 1895 – presented his first concept of helicopter in Bratislava

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Slovak Inventors

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  1. Slovak Inventors Juraj Olejňák & Samo Majerník

  2. Ján Bahýľ • He is consiedered as a father of helicopter • 1895 – presented his first concept of helicopter in Bratislava • He was improving his invention for years till first real flight of his invention in 1901 • Many other inventors used his concept and created their own

  3. Ján Bahýľ • Finally he could not get enough resources to build his invention in bigger scale • Louis Brequet and Paul Cornu had found investor and now are official inventors of helicopter

  4. Štefan Banič • He was born on 28th November, 1870 in Neštich and died on 2nd of January, 1941 in Neštich • 1907 - he moved to USA • 1913 - he designed and constructed the first parachute on the principle of umbrella

  5. Štefan Banič • 1914 – he jumped from the 15-floors high building in Washington and showed ´ representatives of the Patent Office, that his parachute is working. • His parachutes were used by American pilots in first World War.

  6. Jozef Karol Hell • Important constructor of mine pumping machines • Born on 15th of May, 1713 in Banská Štiavnica • In his 25, he build pumping pumping machine made all from wood that could siphon 200 litres per minute into the height of 80 meters

  7. Jozef Karol Hell • He soon became main mechanical foreman in Štiavnice mines • He was the first man who used compressed air in his machines • His machines were used all around the world not just in mines but also in oil rigs

  8. Jozef Murgaš • He was born on 17th February , 1864 in Tajov and died on 11th May , 1929 in USA • 1896 – he moved to USA • 27th April 1905 – He made a first radio transmission of the spoken word, so he actually invented a radio.

  9. Jozef Murgaš • 23th November , 1905 he organized a radio communications that took place between the villages of Scranton and Wilkes-Barre, spaced 30 km. • He also invented wavemeter, electrical transformer and Reel for fishing rod

  10. Štefan Anián Jedlík • One of the biggest names in electrotechnics in 19. century • Born on 11th of January, 1800in Zemné • 1828 – build small electromagnetfor his experiments with elecrticity - which is basically electric motor • He did not published his discoveryso he did not became famous

  11. Štefan Anián Jedlík • He invented principe of electromagnetic rotations • He invented many machines(some says around 80), likeelectric dynamo, electriclocomotive, pipe lighting collector and how to makea soda water • He is author of physics textbook

  12. Jozef Maximilián Petzval • Physicist, mathematician and inventor Jozef Maximilian Petzval is considered as the founder of modern optics. He was born in 1807 in Spišská Belá and died on 17th September, 1891 in Vienna • In 1840 he invented a photographic lens.

  13. Jozef Maximilián Petzval  • He also proposed the concept of projectors, telescopes, and various improvements in labor microscope. • His main contribution to modern optics was mainly the calculation of the correction optical systems.

  14. Sources • http://www.slovenskivynalezcovia.webz.cz/index2osbnosti.htm • http://magazin.atlas.sk/techmag/najvacsie-slovenske-vynalezy/793018.html

  15. Thank you for your attention Juraj olejňák & Samo Majerník 3.A

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