Inventions When was barb wire patented? 1840 1874 1900 1895 1840 1874 1900 1895 ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Dynamite Race cars Parachute Ladders Dynamite Race cars Parachute Ladders ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Thomas Alva Edison Alfred B. Nobel Benjamin Franklin Rudolf Diesel Thomas Alva Edison Alfred B. Nobel Benjamin Franklin Rudolf Diesel ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Sir William Grove Lewis Edson Waterman Charles Kettering George Fountain Sir William Grove Lewis Edson Waterman Charles Kettering George Fountain ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Waterman Brothers Biro Brothers Bicc Brothers Write Brothers Waterman Brothers Biro Brothers Bicc Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Hygrometer Bifocal spectacles Barometer Radio Hygrometer Bifocal spectacles Barometer Radio ANSWER DOWNLOAD EXAMIANS APP
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