Inventions Who invented Fountain Pen? Lewis E. Waterman Kirkpatrick Macmillan John J. Loud Sir Frank Whittle Lewis E. Waterman Kirkpatrick Macmillan John J. Loud Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Sofa bed Captain's chair Hammock Waterbed Sofa bed Captain's chair Hammock Waterbed ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Barometer Radio Bifocal spectacles Hygrometer Barometer Radio Bifocal spectacles Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Thomas Alva Edison Benjamin Franklin Rudolf Diesel Alfred B. Nobel Thomas Alva Edison Benjamin Franklin Rudolf Diesel Alfred B. Nobel ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Charles Richter Giuseppe Mercalli Hiram Walker Joshua Rumble Charles Richter Giuseppe Mercalli Hiram Walker ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Blender Washing machine Electric mixer Vacuum cleaner Blender Washing machine Electric mixer Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
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