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general-knowledge Related Question Answers
151. What was invented by L.H.Backeland ?
Photography,Black & White Air-Brake for railroads Converter Bakelite
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154. What was invented by Harry Brearley ?
Clock,Pendulum Hovercraft Air-Brake for railroads Stainless Steel
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156. What was invented by John M.Browning ?
Dynamo Torpedo Camera (Photographic) Rifle,automatic
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157. What was invented by Greville Bradshaw ?
Incandescent Lamp Parachute Photography,Black & White Motor Scooter
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159. What was invented by Pin-Kellog ?
Cyclotron Electric Motor A.C. Plastic (Celluloid) Loudspeaker
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160. What was invented by Birdseye ?
Slot Machine Air Pump Vacuum Tube Quick Freezing of Food
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162. What was invented by R.H.Goddard ?
Airconditioning Match Friction Safety Pin Rocket,Liquid Fuel
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164. What was invented by Sir Frank Whittle ?
Tank,Military Safety Pin Submarine Jet Propulsion
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165. Parachute was invented by _____ in year ____ ?
L.E.Waterman, 1884 Salvino Armado, 1285 G.D.Fahrenheit, 1714 F.Blanchard, 1785
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166. Cotton Gin was invented by _____ in year ____ ?
E.A.Sperry, 1905 Z.Jansen, 1590 C.McCormick, 1834 Eli Whitney, 1793
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167. Ball-Bearing was invented by _____ in year ____ ?
Hoze Ladislao Biro, 1930 E.G.Otis, 1857 Louis Daguerre, 1837 Vanghan, 1794
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168. Locomotive,Steam was invented by _____ in year ____ ?
Henri Chretien, 1931 C.McCormick, 1834 Picinotti, 1860 R.Trevithick, 1801
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169. Steamboat was invented by _____ in year ____ ?
Vanghan, 1794 Berliner, 1887 Eli Whitney, 1793 Robert Fulton, 1803
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170. Safety Lamp was invented by _____ in year ____ ?
Macmillan, 1842 T.A.Edison, 1893 R.J.Gatting, 1861 Sir H.Davy, 1816
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171. Stethoscope was invented by _____ in year ____ ?
Bunsen, 1859 G.Daimler, 1885 Schuyler S.Wheeler, 1886 Laennec, 1819
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172. Railroad (Steam) was invented by _____ in year ____ ?
G.Huygens, 1656 G.Westinghouse, 1868 John L.Baird, 1926 G.Stephenson, 1825
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173. Electro-Magnet was invented by _____ in year ____ ?
Wright Brothers, 1903 Sir H.Bessemer, 1856 Samuel Morse, 1832 W.Sturgeon, 1825
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174. Camera (Photographic) was invented by _____ in year ____ ?
R.H.Goddard, 1929 Colt, 1835 Schuyler S.Wheeler, 1886 Joseph Nippce, 1826
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175. Match Friction was invented by _____ in year ____ ?
Whitehead, 1866 G.D.Fahrenheit, 1714 Burroughs, 1885 John Walker, 1827
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