Inventions What Benjamin Franklin invented? Radio Barometer Bifocal spectacles Hygrometer Radio Barometer Bifocal spectacles Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Elijah McCoy Ernest Just Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just Lewis Latimer Jan Ernst Matzeliger ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Screw propellor Chesterfield Electric streetcar Sleeping (railway) car Screw propellor Chesterfield Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Charles Goodyear Henry Ford Leo Hendrik Baekeland Roy Plunkett Charles Goodyear Henry Ford Leo Hendrik Baekeland Roy Plunkett ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1870s 1860s 1850s 1900s 1870s 1860s 1850s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Hot comb Eight-track tape deck Lava lamp Leisure suit Hot comb Eight-track tape deck Lava lamp Leisure suit ANSWER DOWNLOAD EXAMIANS APP
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