Inventions Who invented Gramophone? Fahrenheit Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Fahrenheit Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Pneumatic rubber tire Automobile wheel rim Model airplanes Rubber boot Pneumatic rubber tire Automobile wheel rim Model airplanes ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy 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 John Christopher Baxter John Christopher Ballantyne Joseph Cyril Bamford Jack Croxford Baker John Christopher Baxter John Christopher Ballantyne Joseph Cyril Bamford ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Television Early Warning Electricity Telephone Television Early Warning Electricity Telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1895 1874 1900 1840 1895 1874 1900 1840 ANSWER DOWNLOAD EXAMIANS APP