The invention of the printing press in the fifteenth century
Can you tell me who invented the telephone?
Mass literacy was only possible after the invention of printing.
Your invention is not practical.
The invention of the computer marked the beginning of a new era.
The invention of modern xerography has made our work much easier.
The inventor invented two new inventions last year.
A suction nozzle of the vacuum cleaner is disclosed.
The invention of the television grew out of the invention of the radio.
If you could invent one thing what would it be?
Professor Alec Jeffreys, who invented and pioneered DNA tests
This is the most popular ball game ever devised.
They wear simple clothes and Shun modern contrivances.
Alexander Graham Bell, the inventor of the telephone
The spinning wheel was a Chinese invention.
He invented the first electric clock.
The invention of machinery to mass-produce footwear
The invention has been patented by the university.
Do they play games, do they kind of invent things, do they, kids do creative things.
Before silos were invented, cows gave less milk during winter because they had no green grass to eat.
Galton devised a method of creating composite pictures in which the features of different faces were superimposed over one another.