Inventions What Elisha Otis invented? Turbine Hydraulic Crane Jet Engine The brake used in modern elevators Turbine Hydraulic Crane Jet Engine The brake used in modern elevators ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Elijah McCoy Lewis Latimer Ernest Just Jan Ernst Matzeliger Elijah McCoy Lewis Latimer Ernest Just Jan Ernst Matzeliger ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? France Philippines England United States France Philippines England United States ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1920 1901 1890 1944 1920 1901 1890 1944 ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? Jack Croxford Baker Joseph Cyril Bamford John Christopher Baxter John Christopher Ballantyne Jack Croxford Baker Joseph Cyril Bamford John Christopher Baxter John Christopher Ballantyne ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Amanda Jones Marjorie Joyner Mary Kies Margaret Knight Amanda Jones Marjorie Joyner Mary Kies ANSWER DOWNLOAD EXAMIANS APP
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