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general-knowledge Related Question Answers
133. What was invented by Schuyler S.Wheeler ?
Motor Scooter Electric Lamp Match Friction Electric Fan
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134. What was invented by Dunlop ?
Ball Point Pen Spectroscope Rubber,Vulcanized Pneumatic Tyre
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136. What was invented by W.L.Judson ?
Adding Machine Match Friction Elevator,Passenger Zipper
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137. What was invented by Lippman ?
Cash Register Jet Propulsion Stethoscope Photography,Colour
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139. What was invented by Nicola Tesla ?
Locomotive,Steam Rifle,automatic Airconditioning Electric Motor A.C.
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142. What was invented by J.S.Duncan ?
Telephone Watch (Self winding) Spinning Jenny Addressograph
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147. What was invented by B.Holt ?
Blast furnace Photography,Colour X-ray Machine Tractor Caterpillar
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148. What was invented by Wright Brothers ?
Air-Brake for railroads Dynamite Spectacles (Curved glass) Aeroplane
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