Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Sir William Grove Charles Kettering George Fountain Lewis Edson Waterman Sir William Grove Charles Kettering George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Waterman Brothers Write Brothers Biro Brothers Bicc Brothers Waterman Brothers Write Brothers Biro Brothers Bicc Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Screw propellor Electric streetcar Chesterfield Sleeping (railway) car Screw propellor Electric streetcar Chesterfield ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Radio Hygrometer Bifocal spectacles Barometer Radio Hygrometer Bifocal spectacles Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Betatron Cyclotron Nuclear reactor X ray machine Betatron Cyclotron Nuclear reactor ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Motorboat Water skis Golf tee Hang glider Motorboat Water skis Golf tee Hang glider ANSWER DOWNLOAD EXAMIANS APP