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Inventions

Inventions
In which decade was the AEEE (now the IEEE) founded?

1850s
1880s
1930s
1950s

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Inventions
What African-American inventor received 5 patents in the field of shoemaking?

Lewis Latimer
Ernest Just
Jan Ernst Matzeliger
Elijah McCoy

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Inventions
Which of the following was first patented by an Australian in 1889?

Electric Shaver
Electric Heater
Electric Fence
Electric Drill

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Inventions
Who invented Bifocal Lens?

Rudolf Diesel
Alfred B. Nobel
Benjamin Franklin
Thomas Alva Edison

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Inventions
Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?

1831
1828
There is no sure date
1825

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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?

Notice Board
Calendar
Telephone Book
Notepad

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