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