General Knowledge - Inventions
Exercise : Inventions - Section 1
- Inventions - Section 1
56.
What Henry Bessemer invented?
Answer: Option
Explanation:
Invented in 1856.
57.
What invention was first installed at a Hartford, Connecticut bank in 1889?
Answer: Option
Explanation:
William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.
58.
Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
Answer: Option
Explanation:
The new item was first used on Lake Pepin in Minnesota.
59.
Who invented Bifocal Lens?
60.
What Karl Benz invented?
Answer: Option
Explanation:
Invented in 1885.
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