Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Hang glider Golf tee Motorboat Water skis Hang glider Golf tee Motorboat Water skis ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Alfred B. Nobel Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell Alfred B. Nobel Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Telescopes Radio-Telegraphy Computers Steam Boating Telescopes Radio-Telegraphy Computers Steam Boating ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS