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