Inventions When were bar code scanners invented? 1940s 1960s 1970s 1950s 1940s 1960s 1970s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Calendar Telephone Book Notepad Notice Board Calendar Telephone Book Notepad Notice Board ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Screw propellor Electric streetcar Sleeping (railway) car Chesterfield Screw propellor Electric streetcar Sleeping (railway) car Chesterfield ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1960s 1950s 1980s 1940s 1960s 1950s 1980s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? 1825 1828 1831 There is no sure date 1825 1828 1831 There is no sure date ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Automobiles using gasoline? Karl Benz Evangelista Torricelli Leo H Baekeland Kirkpatrick Macmillan Karl Benz Evangelista Torricelli Leo H Baekeland Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS