Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Dishwasher Television Radio Telegraph Dishwasher Television Radio Telegraph 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? Clarinet Banjo Harmonium Oboe Clarinet Banjo Harmonium Oboe ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Screw propellor Sleeping (railway) car Chesterfield Electric streetcar Screw propellor Sleeping (railway) car Chesterfield Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? The brake used in modern elevators Turbine Hydraulic Crane Jet Engine The brake used in modern elevators Turbine Hydraulic Crane Jet Engine ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? United States France England Philippines United States France England Philippines ANSWER DOWNLOAD EXAMIANS APP
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