Who invented steam locomotive?
John Baird
Thomas Edison
Richard Trevithick
Charles Babbage
Airplane was invented by:
John Logie Baird
Wilbur and Orville brothers
Thomas Alva Edison
Who invented light bulb?
Guglielmo Marconi
Alexander Graham Bell
Wilbur Wright
Motor car was invented by:
Lewis Waterman
Etienne Oehmichen
Karl Benz
King Camp Gillette
Which was invented by Lewis E Waterman?
Solar System
Motor Car
Telephone
Fountain Pen