Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Time-lock safe Automatic teller machine Pay telephone Burglar alarm Time-lock safe Automatic teller machine Pay telephone Burglar alarm ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1940s 1960s 1950s 1980s 1940s 1960s 1950s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Thomas Alva Edison Alfred B. Nobel Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison Alfred B. Nobel Sir Alexander Graham Bell Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? United States France Philippines England United States France Philippines England ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Vacuum cleaner Washing machine Electric mixer Blender Vacuum cleaner Washing machine Electric mixer Blender ANSWER DOWNLOAD EXAMIANS APP