What did Rowland Hill invent?

Answer

Rowland Hill was a Victorian reformer who invented the prepaid postage stamp. He became known as Sir Rowland Hill after being knighted for inventing the first adhesive stamp. He is also credited for creating the first unvarying postage toll based on mass rather than size.
Q&A Related to "What did Rowland Hill invent?"
The Paper clip. No he didn't ! He invented the first postal service . NOT the paper clip . stupid people . :p
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Herman Hollerith is sometimes referred to as the father of modern computation. He invented many things. One of his inventions was an automatic card feed mechanism.You can find more
http://www.ask.com/web-answers/Computers/History/w...
"What did Leonardo da Vinci invent?" Perhaps a better question would be "what didn't Leonardo da Vinci invent?" da Vinci's ideas were far beyond his day, and while
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The Galileo Thermometer is made up of one large sealed cylinder filled with liquid. The liquid inside the cylinder is usually water. Floating in the water are a number of spheres
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