Inventions What Elisha Otis invented? The brake used in modern elevators Turbine Jet Engine Hydraulic Crane The brake used in modern elevators Turbine Jet Engine Hydraulic Crane ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? John J. Loud Lewis E. Waterman Sir Frank Whittle Kirkpatrick Macmillan John J. Loud Lewis E. Waterman Sir Frank Whittle Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP
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? Notice Board Telephone Book Notepad Calendar Notice Board Telephone Book Notepad Calendar ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1860s 1900s 1870s 1850s 1860s 1900s 1870s 1850s ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Electricity Television Telephone Early Warning Electricity Television Telephone Early Warning 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