Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Pay telephone Automatic teller machine Burglar alarm Time-lock safe Pay telephone Automatic teller machine Burglar alarm Time-lock safe ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Jet propulsion Radar Sonar Ethyl gasoline Jet propulsion Radar Sonar Ethyl gasoline ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1920s 1890s 1870s 1900s 1920s 1890s 1870s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1800s 1890s 1900s 1880s 1800s 1890s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Chesterfield Screw propellor Electric streetcar Sleeping (railway) car Chesterfield Screw propellor Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Swede Svenson Turnip Townsend Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend Potato Peterson Cabbage Carlson ANSWER DOWNLOAD EXAMIANS APP
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