Question 11 :
Who invented the phonograph?
John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph.
Question 12 :
What beverage was invented by Charles Alderton in 1885 in Waco, Texas?
The cherry-flavored cola made its debut at Morrison's Old Corner Drugstore.
Question 13 :
Who invented fuel cells in 1839?
Fuel cells were invented in 1839 by Sir William Grove.
Question 14 :
The ELECTRIC BATTERY, who's charged with inventing this one?
Italian, Alessandro Volta discovered the first practical battery in 1800. Life would be very different without batteries.
Question 15 :
In which decade was the ARRL founded?
On April 6, 1914, Hiram Percy Maxim proposed the formation of the American Radio Relay League.