Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Pay telephone Burglar alarm Time-lock safe Automatic teller machine Pay telephone Burglar alarm Time-lock safe Automatic teller machine ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron Nuclear reactor X ray machine Cyclotron Betatron Nuclear reactor X ray machine Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1960s 1950s 1980s 1970s 1960s 1950s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1800s 1900s 1880s 1890s 1800s 1900s 1880s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Sir Frank Whittle Roger Bacon Gottlieb Daimler Lewis E. Waterman Sir Frank Whittle Roger Bacon Gottlieb Daimler Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1942 1915 1923 1934 1942 1915 1923 1934 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS