Inventions Who invented Dynamite? Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the Seed Drill? Jethro Tull Thomas Hines Arlo Guthrie Woodie Guthrie Jethro Tull Thomas Hines Arlo Guthrie Woodie Guthrie ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Parking Meters Traffic Lights Vending Machines Automatic Telephone Exchanges Parking Meters Traffic Lights Vending Machines Automatic Telephone Exchanges ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman George Fountain Charles Kettering Sir William Grove Lewis Edson Waterman George Fountain Charles Kettering Sir William Grove ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Washing machine Vacuum cleaner Electric mixer Blender Washing machine Vacuum cleaner Electric mixer Blender ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1940s 1970s 1960s 1950s 1940s 1970s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
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