Inventions For what does the world owe Almon Strowger a debt of gratitude? Parking Meters Automatic Telephone Exchanges Vending Machines Traffic Lights Parking Meters Automatic Telephone Exchanges Vending Machines Traffic Lights ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? John Wilkinson James Hargreaves Alessandro Volta Thomas Edison John Wilkinson James Hargreaves Alessandro Volta Thomas Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Sofa bed Hammock Captain's chair Waterbed Sofa bed Hammock Captain's chair ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Leo H Baekeland Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Automobile wheel rim Pneumatic rubber tire Model airplanes Rubber boot Automobile wheel rim Pneumatic rubber tire Model airplanes ANSWER DOWNLOAD EXAMIANS APP
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