Inventions For what does the world owe Almon Strowger a debt of gratitude? Traffic Lights Parking Meters Vending Machines Automatic Telephone Exchanges Traffic Lights Parking Meters Vending Machines Automatic Telephone Exchanges ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? John J. Loud Sir Frank Whittle Kirkpatrick Macmillan Lewis E. Waterman John J. Loud Sir Frank Whittle Kirkpatrick Macmillan Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? Philippines England France United States Philippines England France United States ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Harmonium Banjo Clarinet Oboe Harmonium Banjo Clarinet Oboe ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Radio-Telegraphy Computers Telescopes Steam Boating Radio-Telegraphy Computers Telescopes Steam Boating ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? The light a cat's eyes gave off on a fence Sun light on steel posts on road sides The sun light on the windshield Car door reflecting mirrors The light a cat's eyes gave off on a fence Sun light on steel posts on road sides The sun light on the windshield Car door reflecting mirrors ANSWER DOWNLOAD EXAMIANS APP