Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Television Telegraph Radio Dishwasher Television Telegraph Radio Dishwasher 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? Banjo Oboe Harmonium Clarinet Banjo Oboe Harmonium Clarinet 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? 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? France United States England Philippines France United States England Philippines ANSWER DOWNLOAD EXAMIANS APP
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