Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Telephone Book Notice Board Calendar Notepad Telephone Book Notice Board Calendar Notepad 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 Joshua Rumble Hiram Walker Giuseppe Mercalli Charles Richter Joshua Rumble Hiram Walker 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 Oboe Harmonium Banjo Clarinet Oboe Harmonium Banjo ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Shaver Electric Heater Electric Fence Electric Drill Electric Shaver Electric Heater Electric Fence Electric Drill ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Gottlieb Daimler Roger Bacon Sir Frank Whittle Lewis E. Waterman Gottlieb Daimler Roger Bacon Sir Frank Whittle Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? James Hargreaves John Wilkinson Thomas Edison Alessandro Volta James Hargreaves John Wilkinson Thomas Edison Alessandro Volta ANSWER DOWNLOAD EXAMIANS APP