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? Oboe Clarinet Banjo Harmonium Oboe Clarinet Banjo Harmonium ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Electric streetcar Screw propellor Sleeping (railway) car Chesterfield Electric streetcar Screw propellor Sleeping (railway) car Chesterfield 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 England Philippines France United States England Philippines France ANSWER DOWNLOAD EXAMIANS APP