Inventions When were bar code scanners invented? 1950s 1970s 1940s 1960s 1950s 1970s 1940s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Automatic Telephone Exchanges Traffic Lights Parking Meters Vending Machines Automatic Telephone Exchanges Traffic Lights Parking Meters Vending Machines ANSWER DOWNLOAD EXAMIANS APP
Inventions Where is the village of Branston, after which the famous pickle is named? Lancashire Staffordshire Norfolk Yorkshire Lancashire Staffordshire Norfolk Yorkshire ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Edward Jenner Robert Hooke Louis Pasteur Robert Koch Edward Jenner Robert Hooke Louis Pasteur Robert Koch ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Electric mixer Blender Washing machine Vacuum cleaner Electric mixer Blender Washing machine Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Thomas Edison John Wilkinson Alessandro Volta James Hargreaves Thomas Edison John Wilkinson Alessandro Volta James Hargreaves ANSWER DOWNLOAD EXAMIANS APP