General Knowledge - Inventions
Exercise : Inventions - Section 1
- Inventions - Section 1
For what does the world owe Almon Strowger a debt of gratitude?
Who is often called the 'first African-American' inventor?
The first hand glider was designed by...?
No answer description is available. Let's discuss.
In which decade was the telegraph invented?
What inspired reflecting road lights to be invented?