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