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