Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Telegraph Dishwasher Radio Television Telegraph Dishwasher Radio Television 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? Sleeping (railway) car Electric streetcar Chesterfield Screw propellor Sleeping (railway) car Electric streetcar Chesterfield Screw propellor ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? The brake used in modern elevators Jet Engine Turbine Hydraulic Crane The brake used in modern elevators Jet Engine Turbine Hydraulic Crane 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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