Everyday Inventions — Set 7
Inventions · रोजमर्रा के आविष्कार · Questions 61–70 of 70
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1
The invention of the first practical sewing machine is associated with?
2
Who invented the first successful rigid airship (Zeppelin) in 1900?
3
The invention of the lightning rod to protect buildings was by?
4
Who invented the first practical battery (Voltaic Pile) in 1800?
5
The invention of the mercury thermometer is attributed to?
6
Who invented the printing press with movable type around 1440?
7
The first practical helicopter was successfully designed and flown by?
8
Who invented the first successful ballpoint pen (Biro) in 1938?
9
The invention of dynamite in 1867 was by?
10
Who invented the ballpoint pen?