Meanwhile, improved materials for communication were being developed. At first the stone and clay tablets. Then the Egyptians discovered that the papyrus plant could be used as a writing materials. The Greeks and Romans used tablets with wax on them, and the Romans developed the use of animal skins for writing. The Chinese developed a form of paper from cotton rags, hemp and tree bark by the second century after Christ, and its use gradually moved westward. But it was not until the fourteenth century that paper became common in Europe.
Theory of English Teaching
$44.10
$49.00
There are no reviews yet.