Q. What Henry Bessemer invented?
? Steel Converter
Q. What invention was first installed at a Hartford, Connecticut bank in 1889?
? Pay telephone
Q. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
? Water skis
Q. Who invented Bifocal Lens?
? Benjamin Franklin
Q. What Karl Benz invented?
? Gasoline powered automobile
Q. When were bar code scanners invented?
Q. When was the game Frisbee invented?
Q. This English inventor is known as the ‘Father of Computing.’
? Charles Babbage
Q. Who invented Airship (rigid)?
? G. Ferdinand Von Zeppelin
Q. In which year was MIDI introduced?