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A chalkboard eraser (sometimes known as a duster in India and elsewhere [1] [2]) is a special type of eraser specifically used to erase chalk markings on slating paint (used on chalkboards and slates). It is most commonly made of felt strips attached to a handle. Chalkboard erasers are typically broad and rectangular, intended to clear large ...
Felt chalkboard erasers or blackboard dusters are used to erase chalk markings on a chalkboard. Chalk writing leaves light-colored particles weakly adhering to a dark surface (e.g., white on black, or yellow on green); it can be rubbed off with a soft material, such as a rag.
The chalk marks can be easily wiped off with a damp cloth, a sponge or a special blackboard eraser usually consisting of a block of wood covered by a felt pad. However, chalk marks made on some types of wet blackboard can be difficult to remove.
Erasers were made of blocks of thick felt cut into layers and bound together. They appear in every depiction of chalkboards in media, one example is the Simpsons opening titles. Stopchewingyourcuticles 12:53, 25 November 2023 (UTC) Right you are; I've changed the image to show a more typical felt eraser as used in 20th century US classrooms. It ...
Wet wipe markers were often used on overhead projector transparencies, as they could be stored and transported easily, unlike a traditional chalkboard. With the rise of computerized slide-shows (e.g. PowerPoint ) in the classroom and office, overhead usage has reduced substantially, and with it, the wet wipe marker.
His hat alone has been credited to the ancient floppy Phrygian cap, felt pileus, and papal fur-trimmed camauro, among many others, but is now distinctly his own, and an irreplaceable part of his ...