Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1800s 1900s 1890s 1880s 1800s 1900s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Eight-track tape deck Lava lamp Hot comb Leisure suit Eight-track tape deck Lava lamp Hot comb Leisure suit ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Pay telephone Burglar alarm Automatic teller machine Time-lock safe Pay telephone Burglar alarm Automatic teller machine Time-lock safe ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Steam turbine Glider Streetcar Gasoline powered automobile Steam turbine Glider Streetcar Gasoline powered automobile ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? Sun light on steel posts on road sides The light a cat's eyes gave off on a fence Car door reflecting mirrors The sun light on the windshield Sun light on steel posts on road sides The light a cat's eyes gave off on a fence Car door reflecting mirrors The sun light on the windshield ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver ANSWER DOWNLOAD EXAMIANS APP
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