writing implement

Writing Braille by hand is accomplished by means of a device called a slate that consists of two metal plates hinged together to permit a sheet of paper to be inserted between them. Some slates have a wooden base or guide board onto which the…

…as the pressure of the pen point on the paper (point pressure) varies continuously during writing, and the speed of writing is not uniform but depends upon the type of stroke being made. For example, speed of movement usually rises slowly as the stroke begins, comes to a maximum in…