Inventions What Elisha Otis invented? The brake used in modern elevators Jet Engine Hydraulic Crane Turbine The brake used in modern elevators Jet Engine Hydraulic Crane Turbine ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Benjamin Franklin Alfred B. Nobel Rudolf Diesel Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Rudolf Diesel Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1835 1830 1849 1854 1835 1830 1849 1854 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 Banjo Clarinet Harmonium Oboe Banjo Clarinet ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bicycle? Karl Benz Leo H Baekeland Evangelista Torricelli Kirkpatrick Macmillan Karl Benz Leo H Baekeland Evangelista Torricelli Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP