Inventions Which insurance salesman invented the fountain pen in 1884? George Fountain Sir William Grove Charles Kettering Lewis Edson Waterman George Fountain Sir William Grove Charles Kettering Lewis Edson Waterman 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? Harmonium Oboe Clarinet Banjo Harmonium Oboe Clarinet Banjo ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Giuseppe Mercalli Charles Richter Hiram Walker Joshua Rumble Giuseppe Mercalli Charles Richter Hiram Walker Joshua Rumble ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? T. Henman S. Sperrow O. Stricheg C. Cockerell T. Henman S. Sperrow O. Stricheg C. Cockerell ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1870s 1920s 1890s 1900s 1870s 1920s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Early Warning Electricity Telephone Television Early Warning Electricity Telephone Television ANSWER DOWNLOAD EXAMIANS APP
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