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Marker pens are particular types of pen that can write on almost any surface and have many different types of ink. They can last very long or be erased with a swipe of cloth. Read more about history of marker pens.
Beginning of use of pen and ink marked the start of new era of easier recording of information. Without them, early scientific discoveries would be forgotten and development of humanity would be much slower.
Reed pens are one of the first more sophisticated writing tools in history. They appeared after the carving tools and styluses and practically replaced them. They were not perfect and were later replaced with quills. Read more about history of reed pens.
Pencil practically cannot be used without some kind of pencil sharpener. Were they simple knives or complex machines with many rotating elements, their purpose is to make a fine point to a pencil. Read more about pencil sharpener history, facts and types.